a2aproject a2a-java ChildQueue queue.offer resource consumption
CVE-2026-117505

5.3MEDIUM

Key Information:

Vendor

A2aproject

Status
A2a-java
Vendor
CVE Published:
27 October 2026

What is CVE-2026-117505?

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.

Affected Version(s)

a2a-java 1.2.0.Final

a2a-java 1.3.0.Final

References

https://vuldb.com/vuln/427072
vdb-entrytechnical-description
https://vuldb.com/vuln/427072/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-117505
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

colorfullbz (VulDB User)
.