SEPTEMBER 15, 2026
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Case File

CVE-2026-90790

MEDIUM · CVSS 6.3 Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-14 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The a2a-python library up to version 1.1.3 is vulnerable to server-side request forgery due to improper handling of the `push_info.url` argument in the Push Notification Sender component. This vulnerability allows remote attackers to exploit the system, potentially leading to unauthorized access to internal resources. Organizations using this library should prioritize upgrading to version 1.1.4 to mitigate the risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-90790
Severity
MEDIUM
CVSS
6.3
EPSS
N/A

Original NVD 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.