CVE-2026-85951 Server-side request forgery in Progress MarkLogic Server Azure deployments

High 8.5 Published Updated

An authenticated attacker can exploit SSRF in MarkLogic Server on Azure to access internal cloud services and steal credentials.

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-2026-85951?

CVE-2026-85951 is a high-severity server-side request forgery 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 on Azure contain a server-side request forgery vulnerability that could allow an authenticated attacker to access internal cloud services, potentially resulting in unauthorized access to cloud credentials or tokens.

Weakness: CWE-918

Which versions are affected by CVE-2026-85951?

How do I fix CVE-2026-85951?

No fix has been published for CVE-2026-85951 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-85951 being exploited?

There is no known exploitation of CVE-2026-85951 in the wild and no public exploit code.

Sources

Also known as GHSA-qf27-x9jg-q286.

Is CVE-2026-85951 in your software?

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