CVE-2026-117507

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 v3 5.4 MEDIUM
CVSS v2.0 5.5 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

5.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:P/A:P

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/a2aproject/a2a-java/
https://github.com/a2aproject/a2a-java/commit/6b8e1e085c35e970ef0048901cd25850e4791ec2
https://github.com/a2aproject/a2a-java/pull/1045
https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final
https://vuldb.com/cve/CVE-2026-117507
https://vuldb.com/submit/1015060
https://vuldb.com/vuln/427074
https://vuldb.com/vuln/427074/cti

Configurations

No configuration.

History

27 Oct 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-27 15:16

Updated : 2026-10-27 15:55

NVD link : CVE-2026-117507

Mitre link : CVE-2026-117507

CVE.ORG link : CVE-2026-117507

JSON object : View

Products Affected

No product.

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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