Infinite Loop Vulnerability in OpenBMB Internet of Agents Collaboration Layer
CVE-2026-123964

5.3MEDIUM

Key Information:

Vendor

Openbmb

Status
Internet Of Agents
Vendor
CVE Published:
7 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-123964?

A vulnerability has been identified in the OpenBMB Internet of Agents, specifically within the collaboration layer's launch_goal function. An attacker can manipulate the max_turns argument in communication_layer.py, leading to an infinite loop state. This issue can be exploited remotely, posing a significant risk for system stability. Although the project was notified of the issue, no fixes or updates have been released as it operates on a rolling release model, affecting the availability of specific version details.

Affected Version(s)

Internet of Agents 9d78e88e47160eb42ee1ee8538c05e1c2c47877a

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-2026-123964 - Proof of Concept

References

https://vuldb.com/vuln/432034
vdb-entrytechnical-description
https://vuldb.com/vuln/432034/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-123964
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
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

Evo1ution (VulDB User)
VulDB CNA Team
.