CVE-2026-117504 a2aproject a2a-go Distributed Manager distributed_manager.go Cancel denial of service
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-117504?
CVE-2026-117504 is a medium-severity vulnerability in a2aproject a2a-go, published on 27 Oct 2026.
Official 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.
Weakness: CWE-404
Which versions are affected by CVE-2026-117504?
How do I fix CVE-2026-117504?
No fix has been published for CVE-2026-117504 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-117504 being exploited?
There is no known exploitation of CVE-2026-117504 in the wild and no public exploit code.
Sources
Also known as GHSA-339m-8vxp-vp6f.