org.bouncycastle/bc-java: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Data integrity compromise due to silently ignored OpenPGP inli…

cve CVE-2026-59643 2 sources, 2 claims · Watch

Red Hat writes:
org.bouncycastle/bc-java: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Data integrity compromise due to silently ignored OpenPGP inline-signature policy failures the claim

Severity: HIGH NVD
important Red Hat
CVSS: 7.5 NVD
7.5 Red Hat
Fixed in: 1.85, 2.0.13 NVD
Vendor: Legion of the Bouncy Castle Inc. NVD
Product: BC-JAVA NVD
CWE: CWE-347 NVD
CWE-390 Red Hat

How far exploitation has got

No public code known
Proof of concept
Proof of concept, verified
A Metasploit module
Exploited in the wild
Used in ransomware campaigns

Timeline

2026-08-03	first spoke of it: In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13.	NVD
2026-08-03	first spoke of it: org.bouncycastle/bc-java: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Data integrity compromise due to silently ignored OpenPGP inline-signature policy failures	Red Hat

org.bouncycastle/bc-java: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Data integrity compromise due to silently ignored OpenPGP inline-signature policy failures

What it is to other things

affects	bouncycastle/bc-java NVD
affects	bouncycastle/bcpg-fips NVD
made_by	bouncycastle NVD

In words only, so not counted until a person confirms one:

made_by	`legion_of_the_bouncy_castle_inc` NVD says “Legion of the Bouncy Castle Inc.”
affects	`legion_of_the_bouncy_castle_inc/bc_java` NVD says “Legion of the Bouncy Castle Inc. · BC-JAVA”

Every value, with what each source said and its receipt

Property Source Said Means here

Automatable

automatable

NVD

yes

An attacker can reliably run all of the kill chain's first four steps without a person.

receipt

Source: NVD
Its words: yes
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	yes
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B",
                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "5B9B7152-064A-491E-AB26-69D6E259536E",
                "versionEndExcluding": "2.0.13",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13."
      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseScore": 7.5,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
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          "source": "nvd@nist.gov",
          "type": "Primary"
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      ],
      "cvssMetricV40": [
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          "cvssData": {
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            "Recovery": "NOT_DEFINED",
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            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
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            "modifiedAttackComplexity": "NOT_DEFINED",
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            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
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          "type": "Secondary"
        }
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      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b"
      },
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS

cvss

NVD

7.5

receipt

Source: NVD
Its words: 7.5
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
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              {
                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B",
                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "2.0.13",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13."
      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
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          "type": "Primary"
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      "cvssMetricV40": [
        {
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            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
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            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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      }
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    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
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        "type": "Secondary"
      }
    ]
  }
}

—

CVSS

cvss

Red Hat

7.5

receipt

Source: Red Hat
Its words: 7.5
Read by: field:cvss3_score
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
  "CVE": "CVE-2026-59643",
  "CWE": "CWE-390",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2510206",
  "bugzilla_description": "org.bouncycastle/bc-java: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Data integrity compromise due to silently ignored OpenPGP inline-signature policy failures",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-08-03T00:51:55Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-59643.json",
  "severity": "important"
}

—

Cvss4

cvss4

NVD

8.7

receipt

Source: NVD
Its words: 8.7
Read by: field:cve.metrics.cvssMetricV40[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV40[].cvssData.baseScore
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	8.7
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
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              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13."
      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
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      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-59643",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b"
      },
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

Cvss4 vector

cvss4_vector

NVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

receipt

Source: NVD
Its words: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber
Read by: field:cve.metrics.cvssMetricV40[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV40[].cvssData.vectorString
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B",
                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "5B9B7152-064A-491E-AB26-69D6E259536E",
                "versionEndExcluding": "2.0.13",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13."
      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-59643",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b"
      },
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

NVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

receipt

Source: NVD
Its words: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B",
                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "5B9B7152-064A-491E-AB26-69D6E259536E",
                "versionEndExcluding": "2.0.13",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13."
      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-59643",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b"
      },
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

Red Hat

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

receipt

Source: Red Hat
Its words: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Read by: field:cvss3_scoring_vector
Said since: 2026-10-06 13:01 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

2026-10-06 13:01 UTC	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
2026-09-29 09:44 UTC	—

What the source handed over

{
  "CVE": "CVE-2026-59643",
  "CWE": "CWE-390",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2510206",
  "bugzilla_description": "org.bouncycastle/bc-java: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Data integrity compromise due to silently ignored OpenPGP inline-signature policy failures",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-08-03T00:51:55Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-59643.json",
  "severity": "important"
}

—

CWE

cwe

different words

NVD

CWE-347

receipt

Source: NVD
Its words: CWE-347
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	CWE-347
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B",
                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
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                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
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      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
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        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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                "exploitation": "none"
              },
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                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
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          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
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        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
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        ],
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        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
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        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
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            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

CWE

cwe

different words

Red Hat

CWE-390

receipt

Source: Red Hat
Its words: CWE-390
Read by: field:CWE
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
  "CVE": "CVE-2026-59643",
  "CWE": "CWE-390",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2510206",
  "bugzilla_description": "org.bouncycastle/bc-java: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Data integrity compromise due to silently ignored OpenPGP inline-signature policy failures",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-08-03T00:51:55Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-59643.json",
  "severity": "important"
}

—

Exploitation

exploitation

NVD

none

No evidence of exploitation, and no public proof of concept.

receipt

Source: NVD
Its words: none
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	none
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
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                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "5B9B7152-064A-491E-AB26-69D6E259536E",
                "versionEndExcluding": "2.0.13",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
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      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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          },
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          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b"
      },
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

Fixed in

fixed_in

NVD

1.85, 2.0.13

receipt

Source: NVD
Its words: 1.85, 2.0.13
Read by: field:cve.affected[].affectedData[].versions[status=affected].lessThan
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	1.85, 2.0.13
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B",
                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "5B9B7152-064A-491E-AB26-69D6E259536E",
                "versionEndExcluding": "2.0.13",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13."
      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-59643",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b"
      },
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

Product

product

NVD

BC-JAVA

receipt

Source: NVD
Its words: BC-JAVA
Read by: field:cve.affected[].affectedData[].product
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	BC-JAVA
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
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                "status": "affected",
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}

—

Severity

severity

NVD

HIGH

From 7.0 to 8.9.

receipt

Source: NVD
Its words: HIGH
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	HIGH
2026-09-29 09:45 UTC	—

What the source handed over

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            "programFiles": [
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high

Severity

severity

Red Hat

important

A flaw that can easily compromise confidentiality, integrity or availability.

receipt

Source: Red Hat
Its words: important
Read by: field:severity
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
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  "CWE": "CWE-390",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2510206",
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  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-08-03T00:51:55Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-59643.json",
  "severity": "important"
}

high

Status

status

NVD

Analyzed

receipt

Source: NVD
Its words: Analyzed
Read by: field:cve.vulnStatus
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

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      }
    ]
  }
}

—

Technical impact

technical_impact

NVD

partial

The attacker gains limited control, or limited information.

receipt

Source: NVD
Its words: partial
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].technicalImpact
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	partial
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
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            "modules": [
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            ],
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            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
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                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
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        "nodes": [
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                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B",
                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "5B9B7152-064A-491E-AB26-69D6E259536E",
                "versionEndExcluding": "2.0.13",
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              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13."
      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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            "version": "3.1"
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          "impactScore": 3.6,
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          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
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          "cvssData": {
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b"
      },
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

Vendor

vendor

NVD

Legion of the Bouncy Castle Inc.

receipt

Source: NVD
Its words: Legion of the Bouncy Castle Inc.
Read by: field:cve.affected[].affectedData[].vendor
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	Legion of the Bouncy Castle Inc.
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
            "defaultStatus": "unaffected",
            "modules": [
              "pg"
            ],
            "packageName": "bcpg",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-jdk18on",
            "platforms": [
              "all"
            ],
            "product": "BC-JAVA",
            "programFiles": [
              "OpenPGPMessageInputStream"
            ],
            "repo": "https://github.com/bcgit/bc-java",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "1.85",
                "status": "affected",
                "version": "1.81",
                "versionType": "maven"
              }
            ]
          },
          {
            "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
            "defaultStatus": "unaffected",
            "packageName": "bcpg-fips",
            "packageURL": "pkg:maven/org.bouncycastle/bcpg-fips",
            "platforms": [
              "all"
            ],
            "product": "BC-FJA",
            "vendor": "Legion of the Bouncy Castle Inc.",
            "versions": [
              {
                "lessThan": "2.0.13",
                "status": "affected",
                "version": "2.0.12",
                "versionType": "maven"
              }
            ]
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "FA6A5663-2E62-44AA-8A64-A3CB0DC8813B",
                "versionEndExcluding": "1.85",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:bouncycastle:bcpg-fips:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "5B9B7152-064A-491E-AB26-69D6E259536E",
                "versionEndExcluding": "2.0.13",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13."
      }
    ],
    "id": "CVE-2026-59643",
    "lastModified": "2026-09-10T19:02:52.073",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
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          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
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      ],
      "ssvcV203": [
        {
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            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-03T13:27:53.247042Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-03T01:16:44.333",
    "references": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
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      },
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"
      }
    ],
    "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-347"
          }
        ],
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary"
      }
    ]
  }
}

—

Every claim, by kind

vulnerability

org.bouncycastle/bc-java: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Data integrity compromise due to silently ignored OpenPGP inline-signature policy failures zetlyn/cve-redhat · 2026-08-03	cvss 7.5 cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N cwe CWE-390 severity important	source
In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13. zetlyn/cve-nvd · 2026-08-03	automatable yes cvss 7.5 cvss4 8.7 cvss4_vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N cwe CWE-347 exploitation none fixed_in 1.85, 2.0.13 product BC-JAVA severity HIGH status Analyzed technical_impact partial vendor Legion of the Bouncy Castle Inc.	source