CVE-2026-3954: medium-severity vulnerability in OpenBMB XAgent
OpenBMB XAgent workspace.py workspace path traversal
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.5%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
OpenBMB · XAgentRelated CVEs — OpenBMB XAgent
In the same product, most dangerous first.
CVE-2026-72713HIGHXAgent Path Traversal Arbitrary File Read via /workspace/fileEPSS 0.8%CVE-2025-6281MEDIUMOpenBMB XAgent community path traversalEPSS 0.5%CVE-2026-4959MEDIUMOpenBMB XAgent ShareServer WebSocket Endpoint share.py check_user missing authenticationEPSS 0.4%CVE-2026-4958LOWOpenBMB XAgent WebSocket Endpoint replayer.py ReplayServer.send_data authorizationEPSS 0.4%CVE-2026-4957MEDIUMOpenBMB XAgent API Key function_handler.py FunctionHandler.handle_tool_call log fileEPSS 0.3%CVE-2024-2007MEDIUMOpenBMB XAgent Privileged Mode sandboxEPSS 0.3%