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PatchSiren cyber security CVE debrief

CVE-2026-85967 Progress Software Corporation CVE debrief

A cross-site scripting vulnerability exists in Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7. This vulnerability could allow a remote attacker to execute script in the context of an authenticated user's browser session, potentially resulting in unauthorized actions or disclosure of information accessible to that user.

Vendor
Progress Software Corporation
Product
MarkLogic Server
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-12
Original CVE updated
2026-10-12
Advisory published
2026-10-12
Advisory updated
2026-10-12

Who should care

Defenders responsible for MarkLogic Server instances, especially those with user authentication, should assess exposure and prioritize remediation efforts. They should verify the exposure of MarkLogic Server instances, especially those with user authentication, and assess the potential for script injection attacks. Remediation efforts should focus on upgrading to patched versions 11.3.7 or 12.1.0.

Why it matters

Defenders should prioritize verifying exposure of MarkLogic Server instances, especially those with user authentication, and assess the potential for script injection attacks. Remediation efforts should focus on upgrading to patched versions 11.3.7 or 12.1.0.

  • Potential for script injection attacks
  • Unauthorized actions or disclosure of information
  • Need for verification of exposure and remediation
  • Potential impact on user sessions

Technical summary

The vulnerability exists in Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7. A remote attacker could exploit this vulnerability to execute script in the context of an authenticated user's browser session, potentially resulting in unauthorized actions or disclosure of information accessible to that user. This vulnerability could allow a remote attacker to execute script in the context of an authenticated user's browser session, potentially resulting in unauthorized actions or disclosure of information accessible to that user. Defenders should prioritize verifying exposure of MarkLogic Server instances, especially those with user authentication, and assess the potential for

Defensive priority

Defenders should prioritize verifying exposure of MarkLogic Server instances, especially those with user authentication, and assess the potential for script injection attacks. Remediation efforts should focus on upgrading to patched versions 11.3.7 or 12.1.0.

Recommended defensive actions

  • Verify exposure of MarkLogic Server instances, especially those with user authentication
  • Assess the potential for script injection attacks
  • Upgrade to patched versions 11.3.7 or 12.1.0
  • Monitor for suspicious user session activity
  • Implement additional security measures to prevent script injection

Evidence notes

The CVE record and source item provide details on the vulnerability, affected versions, and potential impacts. However, there is limited information on exploitation or specific attacks. Defenders should verify the exposure of MarkLogic Server instances, especially those with user authentication, and assess the potential for script injection attacks. The vendor advisory and CVE Program record provide additional context on the vulnerability and recommended actions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-85967 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-85967

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

  • CVE-2026-85967 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-85967

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

Supplemental references

  • Cross-site scripting in Progress MarkLogic Server

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/85xxx/CVE-2026-85967.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026

    Supplemental source - vendor-advisory

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.