a2aproject a2a-go Distributed Manager distributed_manager.go Cancel denial of service
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 a2a-go library, a Go implementation of the Agent2Agent protocol, is affected through its distributed task manager, where a flaw in the cancellation handling can be triggered remotely. Successful exploitation could cause a denial of service, disrupting the availability of the affected agent services.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A vulnerability was identified in a2aproject a2a-go up to 2.4.0. The affected element is the function Cancel of the file internal/taskexec/distributed_manager.go of the component Distributed Manager. Such manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.5.0 is sufficient to fix this issue. The name of the patch is 14e41a978b31e134ffa1170d8657f9dd98529aa3. Upgrading the affected component is advised.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- a2aproject a2a-go
2.0, 2.1, 2.2, 2.3, 2.4.0