IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to view arbitrary files on the system.

cve CVE-2026-6925 2 sources, 3 claims · Watch

NVD writes:
IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to view arbitrary files on the system. the claim

What it is to other things

affectsibm/concert
NVD
affectslinux/linux_kernel
NVD
made_byibm
NVD
made_bylinux
NVD

What each source says

PropertySourceSaidMeans here
Cvss
cvss
GitHub advisories5.3
receipt
Source
GitHub advisories
Said since
2026-09-26 15:00 UTC
Last answered
2026-10-04 18:15 UTC
Original
open at the source

This source has not kept a receipt for this claim yet. The next update that reads it will.

—
Cvss
cvss
NVD5.3
receipt
Source
NVD
Its words
5.3
Read by
field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since
2026-09-29 09:39 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:ibm:concert:3.0.0:*:*:*:*:*:*:*"
            ],
            "product": "Concert",
            "vendor": "IBM",
            "versions": [
              {
                "lessThanOrEqual": "3.0.0",
                "status": "affected",
                "version": "1.0.0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "psirt@us.ibm.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "F935EDBC-29BC-4CEB-8149-DD294B37307D",
                "versionEndIncluding": "3.0.0",
                "versionStartIncluding": "1.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          },
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
                "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1",
                "vulnerable": false
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ],
        "operator": "AND"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot \" sequences ( /.. /) to view arbitrary files on the system."
      }
    ],
    "id": "CVE-2026-6925",
    "lastModified": "2026-09-28T20:48:06.480",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4,
          "source": "psirt@us.ibm.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-6925",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-24T13:45:04.582167Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-23T21:17:02.303",
    "references": [
      {
        "source": "psirt@us.ibm.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.ibm.com/support/pages/node/7288830"
      }
    ],
    "sourceIdentifier": "psirt@us.ibm.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-22"
          }
        ],
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ]
  }
}
—
Cwe
cwe
GitHub advisoriesCWE-22
receipt
Source
GitHub advisories
Said since
2026-09-26 15:00 UTC
Last answered
2026-10-04 18:15 UTC
Original
open at the source

This source has not kept a receipt for this claim yet. The next update that reads it will.

—
Product
product
NVDConcert
receipt
Source
NVD
Its words
Concert
Read by
field:cve.affected[].affectedData[].product
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
2026-09-29 17:49 UTCConcert
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:ibm:concert:3.0.0:*:*:*:*:*:*:*"
            ],
            "product": "Concert",
            "vendor": "IBM",
            "versions": [
              {
                "lessThanOrEqual": "3.0.0",
                "status": "affected",
                "version": "1.0.0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "psirt@us.ibm.com"
      }
    ],
    "configurations": [
      {
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                "versionEndIncluding": "3.0.0",
                "versionStartIncluding": "1.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          },
          {
            "cpeMatch": [
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                "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
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                "vulnerable": false
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ],
        "operator": "AND"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot \" sequences ( /.. /) to view arbitrary files on the system."
      }
    ],
    "id": "CVE-2026-6925",
    "lastModified": "2026-09-28T20:48:06.480",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
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            "baseScore": 5.3,
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            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4,
          "source": "psirt@us.ibm.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-6925",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-24T13:45:04.582167Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-23T21:17:02.303",
    "references": [
      {
        "source": "psirt@us.ibm.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.ibm.com/support/pages/node/7288830"
      }
    ],
    "sourceIdentifier": "psirt@us.ibm.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-22"
          }
        ],
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ]
  }
}
—
Severity
severity
GitHub advisoriesmedium
receipt
Source
GitHub advisories
Said since
2026-09-26 15:00 UTC
Last answered
2026-10-04 18:15 UTC
Original
open at the source

This source has not kept a receipt for this claim yet. The next update that reads it will.

—
Status
status
NVDAnalyzed
receipt
Source
NVD
Its words
Analyzed
Read by
field:cve.vulnStatus
Said since
2026-09-29 09:39 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:ibm:concert:3.0.0:*:*:*:*:*:*:*"
            ],
            "product": "Concert",
            "vendor": "IBM",
            "versions": [
              {
                "lessThanOrEqual": "3.0.0",
                "status": "affected",
                "version": "1.0.0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "psirt@us.ibm.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "F935EDBC-29BC-4CEB-8149-DD294B37307D",
                "versionEndIncluding": "3.0.0",
                "versionStartIncluding": "1.0.0",
                "vulnerable": true
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            "operator": "OR"
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                "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
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              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ],
        "operator": "AND"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot \" sequences ( /.. /) to view arbitrary files on the system."
      }
    ],
    "id": "CVE-2026-6925",
    "lastModified": "2026-09-28T20:48:06.480",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          "type": "Secondary"
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          "ssvcData": {
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            "options": [
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      }
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        "type": "Secondary"
      }
    ]
  }
}
—
Vendor
vendor
NVDIBM
receipt
Source
NVD
Its words
IBM
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
2026-09-29 17:49 UTCIBM
2026-09-29 09:39 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:ibm:concert:3.0.0:*:*:*:*:*:*:*"
            ],
            "product": "Concert",
            "vendor": "IBM",
            "versions": [
              {
                "lessThanOrEqual": "3.0.0",
                "status": "affected",
                "version": "1.0.0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "psirt@us.ibm.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "F935EDBC-29BC-4CEB-8149-DD294B37307D",
                "versionEndIncluding": "3.0.0",
                "versionStartIncluding": "1.0.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          },
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                "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
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                "vulnerable": false
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ],
        "operator": "AND"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot \" sequences ( /.. /) to view arbitrary files on the system."
      }
    ],
    "id": "CVE-2026-6925",
    "lastModified": "2026-09-28T20:48:06.480",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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          "impactScore": 1.4,
          "source": "psirt@us.ibm.com",
          "type": "Secondary"
        }
      ],
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        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-6925",
            "options": [
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              },
              {
                "automatable": "yes"
              },
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              }
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            "timestamp": "2026-09-24T13:45:04.582167Z",
            "version": "2.0.3"
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        ],
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      }
    ],
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        "type": "Secondary"
      }
    ]
  }
}
—

vulnerability

IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to view arbitrary files on the system.
zetlyn/cve-nvd · 2026-09-23
cvss 5.3 product Concert status Analyzed vendor IBM source
IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the...
zetlyn/cve-ghsa · 2026-09-23
cvss 5.3 cwe CWE-22 severity medium source
IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the...
zetlyn/cve-ghsa · 2026-09-23
cvss 5.3 cwe CWE-22 severity medium source