Path Traversal Vulnerability in OpenBMB XAgent by OpenBMB
CVE-2026-3954

6.9MEDIUM

Key Information:

Vendor

Openbmb

Status
Xagent
Vendor
CVE Published:
11 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3954?

A vulnerability has been discovered in OpenBMB XAgent 1.0.0, specifically affecting the workspace function within XAgentServer/application/routers/workspace.py. This vulnerability enables an attacker to manipulate the 'file_name' argument, leading to a potential path traversal attack. Such exploits could be executed remotely, due to the nature of the weakness. Publicly available exploit techniques pose a risk, as the responsible team has yet to respond to initial reports regarding this issue, exacerbating potential exposure for users.

Affected Version(s)

XAgent 1.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3954 - Proof of Concept

References

https://vuldb.com/?id.350384
vdb-entrytechnical-description
https://vuldb.com/?ctiid.350384
signaturepermissions-required
https://vuldb.com/?submit.767236
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-x (VulDB User)
.