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TI-2026-03418 Aliases CVE-2026-3954GHSA-6mcr-jrm3-347g

OpenBMB XAgent workspace.py workspace path traversal

Priority HIGH 70CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00545 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenBMBXAgent1.0.0—No fix listedCNA
  • XAgent VendorOpenBMB Affected 1.0.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:openbmb:xagent:*:*:*:*:*:*:*:*——OpenBMB
  • cpe:2.3:a:openbmb:xagent:*:*:*:*:*:*:*:* Versions — — ·OpenBMB

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3954
  2. 2026-10-03 Alias added: GHSA-6mcr-jrm3-347g
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

Other 2

  • TI-2026-50949 XAgent Path Traversal Arbitrary File Read via /workspace/file CVSS 4.0HIGH 8.7
  • TI-2026-41884 OpenBMB ChatDev - Unauthenticated Path Traversal in Upload Handler Allows Arbitrary File Write and Delete CVSS 4.0HIGH 8.8
  • TI-2024-01867 OpenBMB XAgent Privileged Mode sandbox CVSS 3.1HIGH 8.8
  • TI-2026-85970 Code injection in OpenBMB Internet of Agents Code Executor Tool CVSS 4.0MEDIUM 6.9
  • TI-2026-04320 OpenBMB XAgent ShareServer WebSocket Endpoint share.py check_user missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-04318 OpenBMB XAgent API Key function_handler.py FunctionHandler.handle_tool_call log file CVSS 4.0MEDIUM 5.1
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences