CVE WatchSep 14, 2026

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 fil

CVSS

6.3

Medium

EPSS

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KEV

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Exploit Today

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0-100

Published: Sep 14, 2026 · Last modified: Sep 14, 2026 · CWE-918

EPSS · 30d

Not enough EPSS history yet.

Technical 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.

Official references

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