a2aproject a2a-go Push Notification agentexec.go CreateExecutor information exposure
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fix or patch referenced
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The a2aproject a2a-go Go library's push notification handler, which is used to build agent-to-agent communication services, can leak sensitive information through its error messages when processing remote requests. An attacker who can reach the affected service over the network may be able to view this internal detail, which could help them learn about the system's internals.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A vulnerability was detected in a2aproject a2a-go up to 2.4.0. This affects the function CreateExecutor of the file a2asrv/agentexec.go of the component Push Notification Handler. The manipulation results in information exposure through error message. It is possible to launch the attack remotely. Upgrading to version 2.5.0 mitigates this issue. The patch is identified as f4d588216b0c9520e94d571bab725c38ce23064c. It is recommended to upgrade the affected component.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- a2aproject a2a-go
2.0, 2.1, 2.2, 2.3, 2.4.0