CVE-2026-116479
mediumA flaw has been found in a2aproject a2a-java up to 1.2.0.Final.
A flaw has been found in a2aproject a2a-java up to 1.2.0.Final. This impacts the function getMessage of the component JSON-RPC Error Handler. This manipulation causes information exposure through error message. The attack can be initiated remotely. Upgrading to version 1.3.0.Final will fix this issue. Patch name: bbee3369f3825d0fba2373d821f6dc6d4fc82ec0. Upgrading the affected component is advised.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-10-26 20:17
Modified: 2026-10-27 15:16
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-28 11:30 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/a2aproject/a2a-java/ cna@vuldb.com
- https://github.com/a2aproject/a2a-java/commit/bbee3369f3825d0fba2373d821f6dc6d4fc82ec0 cna@vuldb.com
- https://github.com/a2aproject/a2a-java/pull/1046 cna@vuldb.com
- https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-116479 cna@vuldb.com
- https://vuldb.com/submit/1014889 cna@vuldb.com
- https://vuldb.com/vuln/426392 cna@vuldb.com
- https://vuldb.com/vuln/426392/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 11:30 UTC · record ↗
