A security flaw has been discovered in a2aproject a2a-java up to 1.2.0.Final. The impacted element is the function queue.offer of the component ChildQueue. Performing a manipulation results in resource consumption.
The attack can be initiated remotely. Upgrading to version 1.3.0.Final is sufficient to resolve this issue. The patch is named be663f806efcfdddd2805d214fae4998379ac5f2.
It is advisable to upgrade the affected component.
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
None
No 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/be663f806efcfdddd2805d214fae49983…
cna@vuldb.com
https://github.com/a2aproject/a2a-java/pull/1040
cna@vuldb.com
https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-117505
cna@vuldb.com
https://vuldb.com/submit/1015054
cna@vuldb.com
https://vuldb.com/vuln/427072
cna@vuldb.com
https://vuldb.com/vuln/427072/cti
cna@vuldb.com