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PatchSiren cyber security CVE debrief

CVE-2026-6925 IBM CVE debrief

IBM Concert 1.0.0 through 3.0.0 is vulnerable to a directory traversal attack, allowing remote attackers to view arbitrary files on the system by sending a specially crafted URL request containing 'dot dot' sequences (/.. /). Defenders should prioritize verifying and patching IBM Concert installations to prevent potential directory traversal attacks. This vulnerability has a medium severity and defenders responsible for IBM Concert installations should assess exposure and prioritize patching.

Vendor
IBM
Product
Concert
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-23
Original CVE updated
2026-09-28
Advisory published
2026-09-23
Advisory updated
2026-09-28

Who should care

Defenders responsible for IBM Concert installations should assess exposure and prioritize patching to prevent potential directory traversal attacks.

Why it matters

CVE-2026-6925 is a medium-severity vulnerability in IBM Concert that allows remote attackers to traverse directories on the system. Defenders should prioritize verifying and patching IBM Concert installations to prevent potential directory traversal attacks.

  • Verify and patch IBM Concert installations to prevent potential directory traversal attacks
  • Monitor IBM Concert systems for suspicious activity
  • Implement additional security measures to prevent directory traversal attacks

Technical summary

IBM Concert 1.0.0 through 3.0.0 is vulnerable to a directory traversal attack. An attacker could send a specially crafted URL request containing 'dot dot' sequences (/.. /) to view arbitrary files on the system. This vulnerability has a medium severity and defenders should prioritize verifying and patching IBM Concert installations to prevent potential directory traversal attacks.

Defensive priority

Defenders should prioritize verifying and patching IBM Concert installations to prevent potential directory traversal attacks.

Recommended defensive actions

  • Verify and patch IBM Concert installations to prevent potential directory traversal attacks
  • Monitor IBM Concert systems for suspicious activity
  • Implement additional security measures to prevent directory traversal attacks

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions. The vulnerability affects IBM Concert 1.0.0 through 3.0.0 and allows remote attackers to traverse directories on the system. The CVE record was published on 2026-09-23T21:17:02.303Z and has not been modified since then. Defenders should verify the affected scope, severity, and vendor guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-6925 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-6925

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-6925 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-6925

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.