CVE-2026-118128

medium

A vulnerability has been found in a2aproject a2a-js up to 1.1.0.

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.

CVSS

6.5

6.5 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Severity source: NVD CVSS v3.1 (cna@vuldb.com)

Timeline (UTC)

Published: 2026-10-27 23:16

Modified: 2026-10-28 17:18

NVD status: Deferred

Last synced 1 day ago

Verified against the source API 2026-10-28 17:38 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-362

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/a2aproject/a2a-js/ cna@vuldb.com
https://github.com/a2aproject/a2a-js/commit/7b87c9480bfa643f9d2b2eaf06988b3d3a95de25 cna@vuldb.com
https://github.com/a2aproject/a2a-js/pull/636 cna@vuldb.com
https://github.com/a2aproject/a2a-js/releases/tag/v1.2.0 cna@vuldb.com
https://vuldb.com/cve/CVE-2026-118128 cna@vuldb.com
https://vuldb.com/submit/1015057 cna@vuldb.com
https://vuldb.com/vuln/427455 cna@vuldb.com
https://vuldb.com/vuln/427455/cti cna@vuldb.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-28 17:38 UTC · record ↗

Learn the basics

Understanding CVEs and CVSS Scores