{"id":"CVE-2026-113704","title":"a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery","summary":"A vulnerability has been found in a2aproject a2a-rs up to 0.4.3. This affects the function HttpPushSender of the file crates/server/src/push_notification_sender.rs of the component Push Notification Handler. Such manipulation of the argu…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-918"],"vendor":"a2aproject","product":"a2a-rs","affected":["a2a-rs 0.4.0","a2a-rs 0.4.1","a2a-rs 0.4.2","a2a-rs 0.4.3"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T22:00:25.887Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113704","references":[{"url":"https://vuldb.com/vuln/422865","label":"VDB-422865 | a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery"},{"url":"https://vuldb.com/vuln/422865/cti","label":"VDB-422865 | CTI Indicators (IOB, IOC, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-113704","label":"CVE-2026-113704 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1014883","label":"Submit #1014883 | a2aproject a2a-rs a2a-server-lf ≤ 0.4.3 SSRF"},{"url":"https://github.com/a2aproject/a2a-rs/pull/124"},{"url":"https://github.com/a2aproject/a2a-rs/commit/2ba50176ea9f222d9a7d0f0e8cfe6fae7cf4c224"},{"url":"https://github.com/a2aproject/a2a-rs/"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T22:23:33.691Z","slug":"CVE-2026-113704","body":"## Overview\n\nA vulnerability has been found in a2aproject a2a-rs up to 0.4.3. This affects the function HttpPushSender of the file crates/server/src/push_notification_sender.rs of the component Push Notification Handler. Such manipulation of the argument TaskPushNotificationConfig leads to server-side request forgery. The attack may be launched remotely. The name of the patch is 2ba50176ea9f222d9a7d0f0e8cfe6fae7cf4c224. Applying a patch is advised to resolve this issue.\n\n## Affected\n\n- `a2a-rs 0.4.0`\n- `a2a-rs 0.4.1`\n- `a2a-rs 0.4.2`\n- `a2a-rs 0.4.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}