Medium 5.4Published Oct 27, 2026

CVE-2026-117507a2aproject a2a-java TaskManager.saveTaskEvent race condition

Updated under an hour ago (Oct 28, 2026, 10:50 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for a2aproject a2a-java

Exploited in the last 30 days

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.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C
Weakness (CWE): CWE-362
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Oct 27, 2026
First seen by InfoSec Signals: Oct 27, 2026

Affected products

Affected products

a2aproject a2a-java a2aproject:a2a-java	1.2.0.Final; 1.3.0.Final not affected	CNA record

References

References

https://vuldb.com/vuln/427074	vdb-entry, technical-description
https://vuldb.com/vuln/427074/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-117507	third-party-advisory
https://vuldb.com/submit/1015060	third-party-advisory
https://github.com/a2aproject/a2a-java/pull/1045	issue-tracking, patch
https://github.com/a2aproject/a2a-java/commit/6b8e1e085c35e970ef0048901cd25850e4791ec2	patch
https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final	patch
https://github.com/a2aproject/a2a-java/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.