{"id":"CVE-2026-117503","published":"2026-10-27T14:16:35.117","lastModified":"2026-10-27T14:52:13.410","description":"A vulnerability was determined in a2aproject a2a-go up to 2.4.0. Impacted is an unknown function of the file a2asrv/rest.go of the component REST SSE handler. This manipulation causes resource consumption. It is possible to initiate the attack remotely. Upgrading to version 2.5.0 is recommended to address this issue. Patch name: ff6035bd21e44bb3ee1bfa547885b8c08327fa01. It is recommended to upgrade the affected component.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-400","CWE-404"],"vendors":[],"products":[],"references":[{"url":"https://github.com/a2aproject/a2a-go/","tags":[]},{"url":"https://github.com/a2aproject/a2a-go/commit/ff6035bd21e44bb3ee1bfa547885b8c08327fa01","tags":[]},{"url":"https://github.com/a2aproject/a2a-go/pull/396","tags":[]},{"url":"https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0","tags":[]},{"url":"https://vuldb.com/cve/CVE-2026-117503","tags":[]},{"url":"https://vuldb.com/submit/1015052","tags":[]},{"url":"https://vuldb.com/vuln/427070","tags":[]},{"url":"https://vuldb.com/vuln/427070/cti","tags":[]}],"exploitRefs":[{"url":"https://github.com/a2aproject/a2a-go/","tags":[]},{"url":"https://github.com/a2aproject/a2a-go/commit/ff6035bd21e44bb3ee1bfa547885b8c08327fa01","tags":[]},{"url":"https://github.com/a2aproject/a2a-go/pull/396","tags":[]},{"url":"https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0","tags":[]}],"hasPoc":true,"ai":null}