Medium 4.3Published Oct 27, 2026

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

Updated under an hour ago (Oct 28, 2026, 8:30 AM ET)

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Every CVE for a2aproject a2a-java

Exploited in the last 30 days

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.

CVSS: 4.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-400, CWE-404
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Oct 27, 2026
First seen by InfoSec Signals: Oct 27, 2026

Affected products

Affected products

a2aproject a2a-java a2aproject:a2a-java	1.2.0.Final; 1.3.0.Final not affected	CNA record

References

References

https://vuldb.com/vuln/427072	vdb-entry, technical-description
https://vuldb.com/vuln/427072/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-117505	third-party-advisory
https://vuldb.com/submit/1015054	third-party-advisory
https://github.com/a2aproject/a2a-java/pull/1040	issue-tracking, patch
https://github.com/a2aproject/a2a-java/commit/be663f806efcfdddd2805d214fae4998379ac5f2	patch
https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final	patch
https://github.com/a2aproject/a2a-java/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.