---
id: CVE-2026-123964
title: >-
  OpenBMB Internet of Agents Collaboration Layer communication_layer.py
  launch_goal infinite loop
summary: >-
  A vulnerability was detected in OpenBMB Internet of Agents up to
  9d78e88e47160eb42ee1ee8538c05e1c2c47877a. This affects the function
  launch_goal of the file im_client/communication/communication_layer.py of the
  component Collaboration La…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-835
  - CWE-404
vendor: OpenBMB
product: Internet of Agents
affected:
  - internet_of_agents 9d78e88e47160eb42ee1ee8538c05e1c2c47877a
published: '2026-11-07'
updated: '2026-11-07'
sourceUpdated: '2026-11-07T12:45:20.360Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123964'
references:
  - url: 'https://vuldb.com/vuln/432034'
    label: >-
      VDB-432034 | OpenBMB Internet of Agents Collaboration Layer
      communication_layer.py launch_goal infinite loop
  - url: 'https://vuldb.com/vuln/432034/cti'
    label: 'VDB-432034 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-123964'
    label: CVE-2026-123964 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1033798'
    label: >-
      Submit #1033798 | OpenBMB Internet of Agents(IoA) 9d78e88 Excessive
      Iteration
  - url: 'https://github.com/OpenBMB/IoA/issues/22'
tags:
  - cve.org
ingestedAt: '2026-11-07T13:17:33.859Z'
---

## Overview

A vulnerability was detected in OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a. This affects the function launch_goal of the file im_client/communication/communication_layer.py of the component Collaboration Layer. Performing a manipulation of the argument max_turns results in infinite loop. The attack may be initiated remotely. The exploit is now public and may be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.

## Affected

- `internet_of_agents 9d78e88e47160eb42ee1ee8538c05e1c2c47877a`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.