CVE-2026-35622

OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook

Published Apr 9, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-mp66-rf4f-mhh8 OpenClaw: Google Chat app-url webhook auth accepted non-deployment add-on principals
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-290
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N'}

cvssV4_0

{'score': 6, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jun 23, 2026, 4:15 PM
Reserved
Apr 4, 2026, 12:28 PM
Status
Analyzed
Published
Apr 9, 2026, 10:16 PM
Modified
Jun 17, 2026, 10:40 AM