EUVD-2026-77535
GHSA-33c5-chm5-2ggp
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (VulDB) · only source for this CVE.
CVSS VectorVendor: VulDB
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Let me synthesize the analysis for CVE-2026-90790, an SSRF in a2a-python's push notification sender. Key facts: - Product: a2a-python (A2A Python SDK by a2aproject) - Function: _dispatch_notification in src/a2a/server/tasks/base_push_notification_sender.py - Component: Push Notification Sender - Argument push_info.url → SSRF (CWE-918) - Remote exploitation possible - Affected: up to 1.1.3 (1.1.0, 1.1.1, 1.1.2, 1.1.3) - Fix: 1.1.4 (release tag v1.1.4, PRs 1164 and 1169) - CVSS 4.0: 5.3, AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - Note PR:L — low privileges required. …
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External POC / Exploit Code
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