CVE-2026-3954 OpenBMB XAgent workspace.py workspace path traversal
Remote attackers can exploit a path traversal flaw in XAgent's workspace router to read or modify arbitrary files on the 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-2026-3954?
CVE-2026-3954 is a medium-severity path traversal vulnerability in OpenBMB XAgent, published on 11 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in OpenBMB XAgent 1.0.0. Affected by this vulnerability is the function workspace of the file XAgentServer/application/routers/workspace.py. This manipulation of the argument file_name causes path traversal. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-22
Which versions are affected by CVE-2026-3954?
How do I fix CVE-2026-3954?
No fix has been published for CVE-2026-3954 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-2026-3954 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3954 exists.
Sources
Also known as GHSA-6mcr-jrm3-347g.