CVE-2026-35622 MEDIUM

CVE-2026-35622: OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook

Vendor Openclaw
Product OpenClaw
Weakness CWE-290
Published April 9, 2026
Last update April 13, 2026

CVSS base score

6.0/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

OpenClaw before 2026.3.22 contains an improper authentication verification vulnerability in Google Chat app-url webhook handling that accepts add-on principals outside intended deployment bindings. Attackers can bypass webhook authentication by providing non-deployment add-on principals to execute unauthorized actions through the Google Chat integration.

Key dates

02Disclosure timeline

April 9, 2026 CVE published
April 13, 2026 Record updated