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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
a2aproject:a2a-java
References 8
https://github.com/a2aproject/a2a-java/
cna@vuldb.com
https://github.com/a2aproject/a2a-java/commit/6b8e1e085c35e970ef0048901cd25850e…
cna@vuldb.com
https://github.com/a2aproject/a2a-java/pull/1045
cna@vuldb.com
https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-117507
cna@vuldb.com
https://vuldb.com/submit/1015060
cna@vuldb.com
https://vuldb.com/vuln/427074
cna@vuldb.com
https://vuldb.com/vuln/427074/cti
cna@vuldb.com