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Vulnerability record · CVE-2026-9191 · published 12 October 2026

CVE-2026-9191: Origin validation error vulnerability

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.

9.6 CVSS 3.1 Critical EPSS 0.21% · top 89.9% CWE-346 · Origin validation error Awaiting Analysis
9.6CVSS 3.1 base score
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
15 Oct 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-9191), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.