MEDIUM 5.3 NVD
CVE-2026-90790
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/tas
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.
References
- https://github.com/a2aproject/a2a-python/
- https://github.com/a2aproject/a2a-python/pull/1164
- https://github.com/a2aproject/a2a-python/pull/1169
- https://github.com/a2aproject/a2a-python/releases/tag/v1.1.4
- https://vuldb.com/cve/CVE-2026-90790
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-09-14 via NVD.
vulnfeed aggregates 10822 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.