Quick answers
- Is CVE-2026-85958 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-85958 being exploited in the wild.
- How severe is CVE-2026-85958?
- High severity, with a CVSS score of 7.5, published 12 October 2026.
- Which products and versions are affected?
- Progress Marklogic Server 11.x before 11.3.7, 12.x before 12.1.0.
- Is there a fix for CVE-2026-85958?
- Yes: fixed in MarkLogic Server 11.3.7, 12.1.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-85958 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-85958?
- Check whether you run Progress Marklogic Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: MarkLogic Server 11.3.7, 12.1.0
Technical details
The vulnerability is an authentication validation weakness that permits tokens that should be rejected by the server. This affects the authentication mechanism in MarkLogic Server 12.x before 12.1.0 and 11.x before 11.3.7. An attacker can exploit this via the network to bypass authentication controls and access restricted resources without valid credentials.
Affected products
- Progress MarkLogic Server 11.x before 11.3.7, 12.x before 12.1.0
Timeline
- 2026-10-12: disclosed