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TI-2026-86452 Aliases CVE-2026-123881GHSA-7gvr-jhhp-xg9c

Improper access control in OpenBMB Internet of Agents message server

Priority LOW 30CWE-266Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-284.

Summary

Versions of OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a are affected. Improper access control in the fetch_chat_record function of im_server/app.py lets manipulation of the comm_id argument bypass restrictions (CWE-284). A remote attacker without privileges or user interaction can reach data they are not authorized to access. The exploit has been made public and could be used.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Description from the CNA

A vulnerability was found in OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a. This issue affects the function fetch_chat_record of the file im_server/app.py of the component Message Handler. The manipulation of the argument comm_id results in improper access controls. The attack may be performed from remote. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

EPSS 0.00278 20th 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

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenBMBInternet of Agents9d78e88e47160eb42ee1ee8538c05e1c2c47877a—No fix listedCNA
  • Internet of Agents VendorOpenBMB Affected 9d78e88e47160eb42ee1ee8538c05e1c2c47877a Fixed in — No fix listed CNA

CPE names CNA · 1

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

Remediation

The sources list no fixed version for OpenBMB Internet of Agents.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Timeline

  1. 2026-11-07 Threatist record created from CVE-2026-123881
  2. 2026-11-07 Alias added: GHSA-7gvr-jhhp-xg9c
  3. 2026-11-08 Priority changed: MEDIUM → LOW

References

Exploit 1

  • 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-2026-03418 OpenBMB XAgent workspace.py workspace path traversal CVSS 4.0MEDIUM 6.9
See all 14 →

Sources

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