CVE-2026-85958

Improper OAuth token validation in Progress MarkLogic Server

State: Published
Severity: 7.5 High
Published: Oct 12, 2026
Updated: Oct 15, 2026
Reserved: Sep 4, 2026

Description

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 contain an authentication validation weakness that could allow an attacker to use a token that should not be accepted by the affected server, which could result in unauthorized access.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	ProgressSoftware

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
MarkLogic ServerProgress Software Corporation	11.0.0 to before 11.3.7Affected 12.0.0 to before 12.1.0Affected

References

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

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