CVE-2026-117507
a2aproject a2a-java TaskManager.saveTaskEvent race condition
a2aproject a2a-java
CVSS
5.3MediumExploitationNo 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 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.
Text from CVE List
Affected versions 2
- a2a-javaaffected: 1.2.0.FinalCVE List
- a2a-javaunaffected: 1.3.0.FinalCVE List
References 8
- github.com/a2aproject/a2a-java/pull/1045Fixvia CVE List
- github.com/a2aproject/a2a-java/commit/6b8e1e085c35e970ef0048901cd25850e4791ec2Fixvia CVE List
- github.com/a2aproject/a2a-java/releases/tag/v1.3.0.FinalFixvia CVE List
- vuldb.com/cve/CVE-2026-117507Advisoryvia CVE List
- vuldb.com/submit/1015060Advisoryvia CVE List
- vuldb.com/vuln/427074Referencevia CVE List
- vuldb.com/vuln/427074/ctiReferencevia CVE List
- github.com/a2aproject/a2a-java/Referencevia CVE List