CVE-2026-85948 Improper privilege management in Progress MarkLogic Server Management API

Critical 9.9 Published Updated

Remote attackers with manage-user privileges can inject XQuery to gain persistent administrative control over MarkLogic Server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-85948?

CVE-2026-85948 is a critical code injection vulnerability in Progress Software Corporation MarkLogic Server, published on 12 Oct 2026. Any signed-in user can exploit it over the network, 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 contain an XQuery injection flaw in a deprecated Management API package path. A remote attacker with manage-user-level privileges could exploit this flaw to obtain persistent unauthorized administrative control.

Weakness: CWE-269

Which versions are affected by CVE-2026-85948?

How do I fix CVE-2026-85948?

No fix has been published for CVE-2026-85948 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-85948 being exploited?

There is no known exploitation of CVE-2026-85948 in the wild and no public exploit code.

Sources

Also known as GHSA-qffv-m2j8-84wx.

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