CVE-2026-90790 — a2aproject a2a-python Push Notification Sender base_push_notification_sender.py _dispatch_notification server-side request forgery
A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function _dispatch_notification of the file src/a2a/server/tasks/base_push_noti…
Published: 2026-09-14 · CVSS: 5.3 · CVSS 4.0
A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function _dispatch_notification of the file src/a2a/server/tasks/base_push_notification_sender.py of the component Push Notification Sender. The manipulation of the argument push_info.url leads to server-side request forgery. Remote exploitation of the attack is possible. Upgrading to version 1.1.4 is able to mitigate this issue. It is suggested to upgrade the affected component.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7