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CVE-2026-118128EUVD-2026-111404GHSA-52G9-JQFX-3HP5

a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race condition

Published
Last modified
published
Not listed in CISA KEV
Fix
Fix or patch referenced
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

The a2a-js library, an open-source JavaScript implementation of the Agent2Agent protocol, is affected through its task status update handling on the server side. Remote attackers could trigger a race condition in this component, potentially causing inconsistent or unintended task state.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

A vulnerability has been found in a2aproject a2a-js up to 1.1.0. Impacted is the function ResultManager.applyStatusUpdate of the file src/server/result_manager.ts of the component Task Status Update Handler. Such manipulation leads to race condition. The attack may be launched remotely. Upgrading to version 1.2.0 is recommended to address this issue. The name of the patch is 7b87c9480bfa643f9d2b2eaf06988b3d3a95de25. It is recommended to upgrade the affected component.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  4. Record last updated

Affected versions

  • a2aproject a2a-js

    1.0, 1.1.0

References 8

VulDB

GitHub · a2aproject/a2a-js