CVE-2026-117505 Details
Description
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.
A denial-of-service vulnerability has been identified in the a2aproject a2a-java library, specifically in versions through 1.2.0.Final. The issue arises in the ChildQueue component, where the queue.offer function can be manipulated to cause excessive resource consumption. This vulnerability can be exploited remotely.
Users are advised to upgrade to a2aproject a2a-java version 1.3.0.Final or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 27, 2026CISA-ADP
Assessed Oct 28, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/a2aproject/a2a-java/ | [email protected] | ProductVendor |
| https://github.com/a2aproject/a2a-java/commit/be663f806efcfdddd2805d214fae4998379ac5f2 | [email protected] | Source CodeVendor |
| https://github.com/a2aproject/a2a-java/pull/1040 | [email protected] | Issue TrackingVendor |
| https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final | [email protected] | Release NotesVendor |
| https://vuldb.com/cve/CVE-2026-117505 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1015054 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/427072 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/427072/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | [email protected] |
| CWE-404 | Improper Resource Shutdown or Release | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| a2aproject a2a-java | <= 1.2.0.Final |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 28, 2026 | CVE Modified | CISA-ADP |
| Oct 27, 2026 | New CVE Received | [email protected] |