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CVE-2026-116479EUVD-2026-110079GHSA-RR3H-7MH5-MQ8P

a2aproject a2a-java JSON-RPC Error getMessage information exposure

Published
Last modified
published
Not listed in CISA KEV
Fix
Fix or patch referenced
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The a2a-java software, an A2A (agent-to-agent) protocol library for Java, is affected through its JSON-RPC error handling component. A remote attacker could potentially view sensitive information disclosed in error messages.

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

Read the original description

A flaw has been found in a2aproject a2a-java up to 1.2.0.Final. This impacts the function getMessage of the component JSON-RPC Error Handler. This manipulation causes information exposure through error message. The attack can be initiated remotely. Upgrading to version 1.3.0.Final will fix this issue. Patch name: bbee3369f3825d0fba2373d821f6dc6d4fc82ec0. Upgrading the affected component is advised.

Timeline

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

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • a2aproject a2a-java

    1.2.0.Final

References 8

VulDB

GitHub · a2aproject/a2a-java