CVE-2026-85964 Progress Software Corporation CVE debrief

Who should care

Defenders and administrators of Progress MarkLogic Server, especially those with Query Console user access, should assess exposure and prioritize remediation. It is essential for them to verify affected MarkLogic Server versions and restrict Query Console user access to minimize potential exposure. Additionally, they should review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

CVE-2026-85964 is a path traversal vulnerability in Progress MarkLogic Server Query Console that could lead to disclosure of arbitrary server files. Defenders should assess exposure, prioritize remediation, and verify affected versions.

• Potential disclosure of arbitrary server files
• Need to verify affected MarkLogic Server versions
• Requirement to restrict Query Console user access

Technical summary

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 allow an authenticated Query Console user to supply unsafe path values to a privileged filesystem helper, potentially disclosing arbitrary server files. The vulnerability is a path traversal issue in the Query Console, which could lead to unauthorized access to sensitive files. Defenders should prioritize verifying affected MarkLogic Server versions and restricting Query Console user access to minimize potential exposure. It is essential to review the official advisory and CVE record to validate affected scope, severity, and vendor guidance.

Defensive priority

Defenders should prioritize verifying affected MarkLogic Server versions and restricting Query Console user access.

Recommended defensive actions

• Verify affected MarkLogic Server versions and apply patches
• Restrict Query Console user access to minimize potential exposure
• Monitor for suspicious Query Console activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE Program and NVD records provide details on the path traversal vulnerability in Progress MarkLogic Server Query Console. The vulnerability allows an authenticated Query Console user to supply unsafe path values to a privileged filesystem helper, potentially disclosing arbitrary server files. Defenders should verify affected MarkLogic Server versions and restrict Query Console user access to minimize potential exposure.

Sources and 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.