CVE-2026-85954 Improper privilege management in Progress MarkLogic Server higher-order XQuery functions
Attackers can escalate privileges by exploiting improper privilege management in higher-order XQuery functions within MarkLogic Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85954?
CVE-2026-85954 is a high-severity vulnerability in Progress Software Corporation MarkLogic Server, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 can evaluate user-controlled values supplied to certain higher-order XQuery functions in an elevated security context, which could result in privilege escalation beyond the attacker's granted permissions.
Weakness: CWE-269
Which versions are affected by CVE-2026-85954?
How do I fix CVE-2026-85954?
No fix has been published for CVE-2026-85954 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-85954 being exploited?
There is no known exploitation of CVE-2026-85954 in the wild and no public exploit code.
Sources
Also known as GHSA-gmhw-x439-9j5f.