CVE-2026-85953 Path traversal and privilege management flaws in Progress MarkLogic Server InfoStudio
Attackers can exploit path traversal and privilege flaws in InfoStudio to access server files or execute code under unintended identities.
- 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-2026-85953?
CVE-2026-85953 is a high-severity path traversal 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 privileged legacy InfoStudio modules that do not sufficiently validate user-controlled file paths and user-context values. Exploitation could result in unauthorized access to server files or execution under an unintended identity.
Which versions are affected by CVE-2026-85953?
How do I fix CVE-2026-85953?
No fix has been published for CVE-2026-85953 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-85953 being exploited?
There is no known exploitation of CVE-2026-85953 in the wild and no public exploit code.
Sources
Also known as GHSA-f97h-wvhx-h87m.