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CVE-2026-117503EUVD-2026-110861

a2aproject a2a-go REST SSE handler rest.go resource consumption

Published
Last modified
published
Not listed in CISA KEV
Fix
Fix or patch referenced
None on Exploit-DB, Metasploit or GitHub

Summary

The a2a-go library, an agent-to-agent communication framework written in Go, is affected through its REST Server-Sent Events (SSE) handler. A remote attacker can send crafted requests that cause excessive resource consumption, which may degrade or disrupt the affected service.

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

Read the original description

A vulnerability was determined in a2aproject a2a-go up to 2.4.0. Impacted is an unknown function of the file a2asrv/rest.go of the component REST SSE handler. This manipulation causes resource consumption. It is possible to initiate the attack remotely. Upgrading to version 2.5.0 is recommended to address this issue. Patch name: ff6035bd21e44bb3ee1bfa547885b8c08327fa01. It is recommended to upgrade the affected component.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • a2aproject a2a-go

    2.0, 2.1, 2.2, 2.3, 2.4.0

References 8

VulDB

GitHub · a2aproject/a2a-go