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.
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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.