CVE Catalog

CVE-2026-118128

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.36%

30th percentile - higher than 30% of all known CVEs

Summary

In a2aproject a2a-js up to 1.1.0, the ResultManager.applyStatusUpdate function in src/server/result_manager.ts is vulnerable to a race condition. The attack can be launched remotely, and the fix is included in version 1.2.0 (commit 7b87c9480bfa643f9d2b2eaf06988b3d3a95de25).

Risk Assessment

A race condition may lead to inconsistent task state and unpredictable application behavior. A remote attacker could exploit it to disrupt processing or bypass logic.

Recommendation

Update a2a-js to version 1.2.0 or later. Until patched, restrict access to the task status update API.

Related vulnerabilities

Original NVD description (English source)

A vulnerability has been found in a2aproject a2a-js up to 1.1.0. Impacted is the function ResultManager.applyStatusUpdate of the file src/server/result_manager.ts of the component Task Status Update Handler. Such manipulation leads to race condition. The attack may be launched remotely. Upgrading to version 1.2.0 is recommended to address this issue. The name of the patch is 7b87c9480bfa643f9d2b2eaf06988b3d3a95de25. It is recommended to upgrade the affected component.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS