What’s Vulnerable › Vulnerabilities
CVE-2026-9191: Insufficient isolation of user-supplied code in Progress MarkLogic Server
- Severity: critical (CVSS 9.6 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-12 · updated 2026-10-15
- Weakness: CWE-346
Description
Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 do not sufficiently isolate user-supplied code executed through certain REST and XDBC evaluation paths from HTTP request, response, and session state. An attacker able to execute code through an affected path could perform unauthorized actions or compromise an authenticated session.
Affected products
- Progress Software Corporation MarkLogic Server: from 11.0.0 before 11.3.7; from 12.0.0 before 12.1.0 — fixed in 11.3.7, 12.1.0
How to fix
Upgrade to a fixed version: Progress Software Corporation MarkLogic Server 11.3.7, 12.1.0. Check the vendor advisory for mitigations.
References
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