CVE-2026-90790EPSS p29.1%
CVE-2026-90790CVE-2026-90790
Description
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.
Scoring
| CVSS | 6.3 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| EPSS | 0.37% probability of exploitation · percentile 29.1% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-15 |