CVE-2026-35622
Received Received - Intake
Authentication Bypass in OpenClaw Google Chat Webhook Integration

Publication date: 2026-04-09

Last updated on: 2026-04-17

Assigner: VulnCheck

Description
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.
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Meta Information
Published
2026-04-09
Last Modified
2026-04-17
Generated
2026-06-16
AI Q&A
2026-04-10
EPSS Evaluated
2026-06-14
NVD
CVE-2026-35622
EUVD
EUVD-2026-21104
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
openclaw openclaw to 2026.3.22 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-290 This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
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Executive Summary

This vulnerability exists in OpenClaw versions before 2026.3.22 and involves improper authentication verification in the Google Chat app-url webhook handling. Specifically, the system incorrectly accepts add-on principals that are outside the intended deployment bindings. This flaw allows attackers to bypass webhook authentication by using non-deployment add-on principals, enabling them to perform unauthorized actions through the Google Chat integration.

Impact Analysis

The vulnerability can lead to unauthorized actions being executed through the Google Chat integration. Attackers who exploit this flaw can bypass authentication controls, potentially causing integrity issues by performing actions they should not be allowed to. Although it does not directly affect availability, the compromise of integrity and limited confidentiality impact could lead to misuse or manipulation of the system.

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