medium6.3
CVE-2026-90790
A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| A2aproject A2a-Python | before 1.1.3. |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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
- https://vuldb.com/submit/919747
- https://vuldb.com/vuln/403296
- https://vuldb.com/vuln/403296/cti