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CVE-2026-12660 IBM CVE debrief

IBM MQ Web Console has a vulnerability that allows an authenticated administrator to write files outside the intended directory due to improper path validation. This low-severity issue requires administrators and security teams to assess exposure and verify patch status to prevent potential security risks. The vulnerability is caused by inadequate path validation, which could lead to unauthorized file writes. Affected users should review and apply patches to mitigate this risk. Further verification is required to determine the affected versions and remediation.

Vendor
IBM
Product
MQ Operator
CVSS
LOW 2.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-19
Original CVE updated
2026-10-20
Advisory published
2026-10-19
Advisory updated
2026-10-20

Who should care

IBM MQ Web Console administrators and security teams should assess exposure and verify patch status to prevent potential security risks. They should review and apply patches to mitigate this risk and ensure that administrator access controls are in place to limit exposure to improper path validation. Additionally, they should verify patch status for IBM MQ Web Console and assess administrator access controls to limit

Why it matters

CVE-2026-12660 is a low-severity vulnerability in IBM MQ Web Console that allows an authenticated administrator to write files outside the intended directory due to improper path validation. Administrators and security teams should assess exposure and verify patch status to prevent potential security risks.

  • Verify patch status for IBM MQ Web Console to prevent potential file writes outside intended directories.
  • Assess administrator access controls to limit exposure to improper path validation.

Technical summary

The vulnerability in IBM MQ Web Console is caused by improper path validation, allowing an authenticated administrator to write files outside the intended directory. This issue has a low severity and requires administrators and security teams to assess exposure and verify patch status. The vulnerability can be mitigated by applying patches and reviewing administrator access controls.

Defensive priority

Assess exposure and verify patch status for IBM MQ Web Console.

Recommended defensive actions

  • Verify patch status for IBM MQ Web Console
  • Assess exposure to improper path validation
  • Review administrator access controls

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the affected versions and remediation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12660 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12660

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

  • CVE-2026-12660 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12660

    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.