Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 t…

cve CVE-2026-92899 2 sources, 2 claims · Watch

NVD writes:
Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's c… the claim

Severity: medium GitHub advisories
MEDIUM NVD
CVSS: 4.8 GitHub advisories
4.8 NVD
Fixed in: 4.0.2, 3.0.6, 2.4.4 NVD
Vendor: Apache Software Foundation NVD
Product: Apache WSS4J NVD
CWE: CWE-290 GitHub advisories
CWE-290 NVD

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

2026-09-30	first spoke of it: Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be...	GitHub advisories
2026-09-30	first spoke of it: Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.	NVD

Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.

What it is to other things

affects	apache/wss4j NVD
made_by	apache NVD

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

made_by	`apache_software_foundation` NVD says “Apache Software Foundation”
affects	`apache_software_foundation/apache_wss4j` NVD says “Apache Software Foundation · Apache WSS4J”

Every value, with what each source said and its receipt

Property Source Said Means here

Automatable

automatable

NVD

At least one of those steps needs a person.

receipt

Source: NVD
Its words: no
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	no
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "20E76C98-444D-4DB5-91E0-90E84C196158",
                "versionEndExcluding": "4.0.2",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-92899",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS

cvss

GitHub advisories

4.8

receipt

Source: GitHub advisories
Its words: 4.8
Read by: field:cvss.score
Said since: 2026-10-02 11:59 UTC
Last answered: 2026-10-06 13:46 UTC
Original: open at the source

What the source handed over

{
  "credits": [],
  "cve_id": "CVE-2026-92899",
  "cvss": {
    "score": 4.8,
    "vector_string": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
  },
  "cvss_severities": {
    "cvss_v3": {
      "score": 4.8,
      "vector_string": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
    },
    "cvss_v4": {
      "score": 0.0,
      "vector_string": null
    }
  },
  "cwes": [
    {
      "cwe_id": "CWE-290",
      "name": "Authentication Bypass by Spoofing"
    }
  ],
  "description": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.",
  "epss": {
    "percentage": 0.00287,
    "percentile": 0.19153
  },
  "ghsa_id": "GHSA-pw3c-6w58-28w4",
  "github_reviewed_at": null,
  "html_url": "https://github.com/advisories/GHSA-pw3c-6w58-28w4",
  "identifiers": [
    {
      "type": "GHSA",
      "value": "GHSA-pw3c-6w58-28w4"
    },
    {
      "type": "CVE",
      "value": "CVE-2026-92899"
    }
  ],
  "nvd_published_at": "2026-09-30T13:17:21Z",
  "published_at": "2026-09-30T15:31:25Z",
  "references": [
    "https://nvd.nist.gov/vuln/detail/CVE-2026-92899",
    "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7",
    "http://www.openwall.com/lists/oss-security/2026/09/30/13",
    "https://github.com/advisories/GHSA-pw3c-6w58-28w4"
  ],
  "repository_advisory_url": null,
  "severity": "medium",
  "source_code_location": "",
  "summary": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be...",
  "type": "unreviewed",
  "updated_at": "2026-09-30T15:31:32Z",
  "url": "https://api.github.com/advisories/GHSA-pw3c-6w58-28w4",
  "vulnerabilities": [],
  "withdrawn_at": null
}

—

CVSS

cvss

NVD

4.8

receipt

Source: NVD
Its words: 4.8
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since: 2026-10-02 12:00 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "20E76C98-444D-4DB5-91E0-90E84C196158",
                "versionEndExcluding": "4.0.2",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-92899",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

NVD

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

receipt

Source: NVD
Its words: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "20E76C98-444D-4DB5-91E0-90E84C196158",
                "versionEndExcluding": "4.0.2",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-92899",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

CWE

cwe

GitHub advisories

CWE-290

receipt

Source: GitHub advisories
Its words: CWE-290
Read by: field:cwes[].cwe_id
Said since: 2026-10-02 11:59 UTC
Last answered: 2026-10-06 13:46 UTC
Original: open at the source

What the source handed over

{
  "credits": [],
  "cve_id": "CVE-2026-92899",
  "cvss": {
    "score": 4.8,
    "vector_string": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
  },
  "cvss_severities": {
    "cvss_v3": {
      "score": 4.8,
      "vector_string": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
    },
    "cvss_v4": {
      "score": 0.0,
      "vector_string": null
    }
  },
  "cwes": [
    {
      "cwe_id": "CWE-290",
      "name": "Authentication Bypass by Spoofing"
    }
  ],
  "description": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.",
  "epss": {
    "percentage": 0.00287,
    "percentile": 0.19153
  },
  "ghsa_id": "GHSA-pw3c-6w58-28w4",
  "github_reviewed_at": null,
  "html_url": "https://github.com/advisories/GHSA-pw3c-6w58-28w4",
  "identifiers": [
    {
      "type": "GHSA",
      "value": "GHSA-pw3c-6w58-28w4"
    },
    {
      "type": "CVE",
      "value": "CVE-2026-92899"
    }
  ],
  "nvd_published_at": "2026-09-30T13:17:21Z",
  "published_at": "2026-09-30T15:31:25Z",
  "references": [
    "https://nvd.nist.gov/vuln/detail/CVE-2026-92899",
    "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7",
    "http://www.openwall.com/lists/oss-security/2026/09/30/13",
    "https://github.com/advisories/GHSA-pw3c-6w58-28w4"
  ],
  "repository_advisory_url": null,
  "severity": "medium",
  "source_code_location": "",
  "summary": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be...",
  "type": "unreviewed",
  "updated_at": "2026-09-30T15:31:32Z",
  "url": "https://api.github.com/advisories/GHSA-pw3c-6w58-28w4",
  "vulnerabilities": [],
  "withdrawn_at": null
}

—

CWE

cwe

NVD

CWE-290

receipt

Source: NVD
Its words: CWE-290
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CWE-290
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "20E76C98-444D-4DB5-91E0-90E84C196158",
                "versionEndExcluding": "4.0.2",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-92899",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	none
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "20E76C98-444D-4DB5-91E0-90E84C196158",
                "versionEndExcluding": "4.0.2",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-92899",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

Fixed in

fixed_in

NVD

4.0.2, 3.0.6, 2.4.4

receipt

Source: NVD
Its words: 4.0.2, 3.0.6, 2.4.4
Read by: field:cve.affected[].affectedData[].versions[status=affected].lessThan
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	4.0.2, 3.0.6, 2.4.4
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "20E76C98-444D-4DB5-91E0-90E84C196158",
                "versionEndExcluding": "4.0.2",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-92899",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

Product

product

NVD

Apache WSS4J

receipt

Source: NVD
Its words: Apache WSS4J
Read by: field:cve.affected[].affectedData[].product
Said since: 2026-10-02 12:00 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
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                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-92899",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
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          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
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          {
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            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

Severity

severity

GitHub advisories

medium

receipt

Source: GitHub advisories
Its words: medium
Read by: field:severity
Said since: 2026-10-02 11:59 UTC
Last answered: 2026-10-06 13:46 UTC
Original: open at the source

What the source handed over

{
  "credits": [],
  "cve_id": "CVE-2026-92899",
  "cvss": {
    "score": 4.8,
    "vector_string": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
  },
  "cvss_severities": {
    "cvss_v3": {
      "score": 4.8,
      "vector_string": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
    },
    "cvss_v4": {
      "score": 0.0,
      "vector_string": null
    }
  },
  "cwes": [
    {
      "cwe_id": "CWE-290",
      "name": "Authentication Bypass by Spoofing"
    }
  ],
  "description": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.",
  "epss": {
    "percentage": 0.00287,
    "percentile": 0.19153
  },
  "ghsa_id": "GHSA-pw3c-6w58-28w4",
  "github_reviewed_at": null,
  "html_url": "https://github.com/advisories/GHSA-pw3c-6w58-28w4",
  "identifiers": [
    {
      "type": "GHSA",
      "value": "GHSA-pw3c-6w58-28w4"
    },
    {
      "type": "CVE",
      "value": "CVE-2026-92899"
    }
  ],
  "nvd_published_at": "2026-09-30T13:17:21Z",
  "published_at": "2026-09-30T15:31:25Z",
  "references": [
    "https://nvd.nist.gov/vuln/detail/CVE-2026-92899",
    "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7",
    "http://www.openwall.com/lists/oss-security/2026/09/30/13",
    "https://github.com/advisories/GHSA-pw3c-6w58-28w4"
  ],
  "repository_advisory_url": null,
  "severity": "medium",
  "source_code_location": "",
  "summary": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be...",
  "type": "unreviewed",
  "updated_at": "2026-09-30T15:31:32Z",
  "url": "https://api.github.com/advisories/GHSA-pw3c-6w58-28w4",
  "vulnerabilities": [],
  "withdrawn_at": null
}

—

Severity

severity

NVD

MEDIUM

From 4.0 to 6.9.

receipt

Source: NVD
Its words: MEDIUM
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	MEDIUM
2026-10-02 12:00 UTC	—

What the source handed over

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    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
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      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
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            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
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          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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            "options": [
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            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
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    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
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      },
      {
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          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

medium

Status

status

NVD

Analyzed

receipt

Source: NVD
Its words: Analyzed
Read by: field:cve.vulnStatus
Said since: 2026-10-03 00:06 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-03 00:06 UTC	Analyzed
2026-10-02 12:00 UTC	Undergoing Analysis

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
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          {
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                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
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                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "20E76C98-444D-4DB5-91E0-90E84C196158",
                "versionEndExcluding": "4.0.2",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
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            "attackVector": "NETWORK",
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            "baseScore": 4.8,
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            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
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          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
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      "ssvcV203": [
        {
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                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
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      ]
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    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
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      },
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        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
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          "Third Party Advisory"
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    "vulnStatus": "Analyzed",
    "weaknesses": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	partial
2026-10-02 12:00 UTC	—

What the source handed over

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  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
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        ],
        "source": "security@apache.org"
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    ],
    "configurations": [
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              },
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                "versionStartIncluding": "4.0.0",
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              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
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      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
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            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
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          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
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      ],
      "ssvcV203": [
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              }
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            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

Vendor

vendor

NVD

Apache Software Foundation

receipt

Source: NVD
Its words: Apache Software Foundation
Read by: field:cve.affected[].affectedData[].vendor
Said since: 2026-10-02 12:00 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://repo.maven.apache.org/maven2",
            "defaultStatus": "unaffected",
            "packageName": "org.apache.wss4j:wss4j-ws-security-dom",
            "packageURL": "pkg:/maven/org.apache.wss4j/wss4j-ws-security-dom",
            "product": "Apache WSS4J",
            "vendor": "Apache Software Foundation",
            "versions": [
              {
                "lessThan": "4.0.2",
                "status": "affected",
                "version": "4.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "3.0.6",
                "status": "affected",
                "version": "3.0.0",
                "versionType": "semver"
              },
              {
                "lessThan": "2.4.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "security@apache.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "A3409718-5467-407D-9B51-14E58B6D2F68",
                "versionEndExcluding": "2.4.4",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "31AFF243-7BCE-44BC-85C5-6FE257642C13",
                "versionEndExcluding": "3.0.6",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "20E76C98-444D-4DB5-91E0-90E84C196158",
                "versionEndExcluding": "4.0.2",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue."
      }
    ],
    "id": "CVE-2026-92899",
    "lastModified": "2026-10-02T20:18:52.007",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.5,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-92899",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-30T12:49:54.166060Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-30T13:17:21.823",
    "references": [
      {
        "source": "security@apache.org",
        "tags": [
          "Mailing List",
          "Vendor Advisory"
        ],
        "url": "https://lists.apache.org/thread.html/nrzngsz1xm2lztq3t873663xx9wnrwm7"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/13"
      }
    ],
    "sourceIdentifier": "security@apache.org",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-290"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

Every claim, by kind

vulnerability

Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. An attacker who captured an authenticated request could re-send it with a space added to the Nonce: the password digest still verified, but the token no longer matched the remembered one, so the replay was accepted. Since a UsernameToken does not cover the message body, the captured token could then be reused on requests of the attacker's choosing until it expired. Affects deployments with a nonce replay cache configured, as Apache CXF has by default, and only tokens using a password digest. The cache is now keyed on the decoded Nonce. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue. zetlyn/cve-nvd · 2026-09-30	automatable no cvss 4.8 cvss_vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N cwe CWE-290 exploitation none fixed_in 4.0.2, 3.0.6, 2.4.4 product Apache WSS4J severity MEDIUM status Analyzed technical_impact partial vendor Apache Software Foundation	source
Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be... zetlyn/cve-ghsa · 2026-09-30	cvss 4.8 cwe CWE-290 severity medium	source