CVE-2026-117507

Medium

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.

SeverityMedium

CVSS5.4

Exploit probability—

ProductA2aproject A2a-java

PublishedOct 27, 2026

First seenOct 27, 2026

Weakness typeCWE-362Race condition

How to fix

Patches

github.com/a2aproject/a2a-java/pull/1045
github.com/a2aproject/a2a-java/commit/6b8e1e085c35e970ef0048901cd25850e4791ec2
github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final

Affected products

Product	Affected versions	Fixed in
a2aproject a2a-java	1.2.0.Final	—

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