{"id":"CVE-2026-116479","aliases":["EUVD-2026-110079","GHSA-rr3h-7mh5-mq8p"],"status":"published","title":"a2aproject a2a-java JSON-RPC Error getMessage information exposure","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.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00315,"percentile":0.24776,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-209"],"published":"2026-10-26T19:45:11Z","modified":"2026-10-29T07:08:46Z","products":[{"vendor":"a2aproject","product":"a2a-java"}],"references":[{"url":"https://vuldb.com/vuln/426392","tags":["vdb-entry","technical-description","advisory"]},{"url":"https://vuldb.com/vuln/426392/cti","tags":["signature","permissions-required","report"]},{"url":"https://vuldb.com/cve/CVE-2026-116479","tags":["third-party-advisory","advisory"]},{"url":"https://vuldb.com/submit/1014889","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/a2aproject/a2a-java/pull/1046","tags":["issue-tracking","patch","fix"]},{"url":"https://github.com/a2aproject/a2a-java/commit/bbee3369f3825d0fba2373d821f6dc6d4fc82ec0","tags":["patch","fix"]},{"url":"https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final","tags":["patch","fix"]},{"url":"https://github.com/a2aproject/a2a-java/","tags":["product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116479","tags":["advisory"]},{"url":"https://github.com/a2aproject/a2a-java"},{"url":"https://github.com/advisories/GHSA-rr3h-7mh5-mq8p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116479.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-116479","title":"a2aproject a2a-java JSON-RPC Error getMessage information exposure","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.","status":"published","published":"2026-10-26T19:45:11.028Z","modified":"2026-10-27T14:18:35.499Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X","level":"medium","assessor":"cna"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C","level":"medium","assessor":"cna"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C","level":"medium","assessor":"cna"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C","assessor":"cna"}],"cwes":["CWE-209","CWE-200"],"updated_at":"2026-11-02T14:20:03.827373Z"}],"euvd":[{"id":"EUVD-2026-110079","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.","status":"published","published":"2026-10-26T19:45:11Z","modified":"2026-10-27T14:18:35Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X","level":"medium"}],"updated_at":"2026-11-02T16:59:23.601588Z"}],"ghsa":[{"id":"GHSA-rr3h-7mh5-mq8p","title":"A flaw has been found in a2aproject a2a-java up to 1.2.0.Final. This impacts the function...","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.","status":"published","published":"2026-10-26T21:36:09Z","modified":"2026-10-26T21:36:14Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:14:25.770411Z"}],"nvd":[{"id":"CVE-2026-116479","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.","status":"published","published":"2026-10-26T20:17:55.253Z","modified":"2026-10-27T15:16:33.24Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200","CWE-209"],"updated_at":"2026-11-02T14:13:03.452847Z"}],"osv":[{"id":"CVE-2026-116479","title":"a2aproject a2a-java JSON-RPC Error getMessage information exposure","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.","status":"published","published":"2026-10-26T19:45:11.028Z","modified":"2026-10-29T07:08:46.879880457Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X","level":"medium"}],"cwes":["CWE-200","CWE-209"],"updated_at":"2026-11-02T15:44:56.675758Z"}]}}