CVE-2026-117507 a2aproject a2a-java TaskManager.saveTaskEvent race condition

Medium 5.3 Published 27 Oct 2026 Updated 27 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-117507?

CVE-2026-117507 is a medium-severity vulnerability in a2aproject a2a-java, published on 27 Oct 2026.

Official description

A security vulnerability has been detected in a2aproject a2a-java up to 1.2.0.Final. This impacts the function TaskManager.saveTaskEvent. The manipulation leads to race condition. The attack may be initiated remotely. Upgrading to version 1.3.0.Final will fix this issue. The identifier of the patch is 6b8e1e085c35e970ef0048901cd25850e4791ec2. The affected component should be upgraded.

Weakness: CWE-362

Which versions are affected by CVE-2026-117507?

How do I fix CVE-2026-117507?

No fix has been published for CVE-2026-117507 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-117507 being exploited?

There is no known exploitation of CVE-2026-117507 in the wild and no public exploit code.

Sources

Also known as GHSA-wfff-mqj6-rwvg.