CVE-2026-85972 Improper Kerberos server verification in Progress MarkLogic Server
Attackers can bypass Kerberos authentication in specific configurations to access or modify protected data in 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-2026-85972?
CVE-2026-85972 is a high-severity authentication bypass 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 do not sufficiently verify the identity of a Kerberos authentication service in certain password-based authentication configurations. A network-positioned attacker could impersonate trusted authentication infrastructure, potentially resulting in unauthorized access or modification of protected data.
Weakness: CWE-303
Which versions are affected by CVE-2026-85972?
How do I fix CVE-2026-85972?
No fix has been published for CVE-2026-85972 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-85972 being exploited?
There is no known exploitation of CVE-2026-85972 in the wild and no public exploit code.
Sources
Also known as GHSA-22c2-gw4w-mwjg.