CVE-2026-116479
a2aproject a2a-java JSON-RPC Error getMessage information exposure
a2aproject a2a-java
CVSS
5.3MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
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.
Text from CVE List
Affected versions 2
- a2a-javaaffected: 1.2.0.FinalCVE List
- a2a-javaunaffected: 1.3.0.FinalCVE List
References 8
- github.com/a2aproject/a2a-java/pull/1046Fixvia CVE List
- github.com/a2aproject/a2a-java/commit/bbee3369f3825d0fba2373d821f6dc6d4fc82ec0Fixvia CVE List
- github.com/a2aproject/a2a-java/releases/tag/v1.3.0.FinalFixvia CVE List
- vuldb.com/cve/CVE-2026-116479Advisoryvia CVE List
- vuldb.com/submit/1014889Advisoryvia CVE List
- vuldb.com/vuln/426392Referencevia CVE List
- vuldb.com/vuln/426392/ctiReferencevia CVE List
- github.com/a2aproject/a2a-java/Referencevia CVE List