CVE-2026-117505
a2aproject a2a-java ChildQueue queue.offer resource consumption
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-400 CWE-404 |
| Vendor | a2aproject |
| Product | a2a-java |
| Published | Oct 27, 2026 |
Stay Ahead of the Next One
Get instant alerts for a2aproject a2a-java
Be the first to know when new medium vulnerabilities affecting a2aproject a2a-java are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
a2aproject / a2a-java
1.2.0.Final
References
vuldb.com: https://vuldb.com/vuln/427072 vuldb.com: https://vuldb.com/vuln/427072/cti vuldb.com: https://vuldb.com/cve/CVE-2026-117505 vuldb.com: https://vuldb.com/submit/1015054 github.com: https://github.com/a2aproject/a2a-java/pull/1040 github.com: https://github.com/a2aproject/a2a-java/commit/be663f806efcfdddd2805d214fae4998379ac5f2 github.com: https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final github.com: https://github.com/a2aproject/a2a-java/
Credits
🔍 colorfullbz (VulDB User)