CVE-2026-118128
a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race condition
a2aproject a2a-js
CVSS
6.9MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
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.
Text from CVE List
Affected versions 3
- a2a-jsaffected: 1.0CVE List
- a2a-jsaffected: 1.1.0CVE List
- a2a-jsunaffected: 1.2.0CVE List
References 8
- github.com/a2aproject/a2a-js/pull/636Fixvia CVE List
- github.com/a2aproject/a2a-js/commit/7b87c9480bfa643f9d2b2eaf06988b3d3a95de25Fixvia CVE List
- github.com/a2aproject/a2a-js/releases/tag/v1.2.0Fixvia CVE List
- vuldb.com/cve/CVE-2026-118128Advisoryvia CVE List
- vuldb.com/submit/1015057Advisoryvia CVE List
- vuldb.com/vuln/427455Referencevia CVE List
- vuldb.com/vuln/427455/ctiReferencevia CVE List
- github.com/a2aproject/a2a-js/Referencevia CVE List