CVE-2026-35622

MEDIUM

OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Third Party Advisory third-party-advisory
GitHub Security Advisory (GHSA-mp66-rf4f-mhh8)
https://github.com/openclaw/openclaw/security/advisories/GHSA-mp66-rf4f-mhh8
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook
https://www.vulncheck.com/advisories/openclaw-improper-authentication-verification-in-google-chat-webhook

Scores

CVSS v3 5.9
EPSS 0.0029
EPSS Percentile 20.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-290
Status published
Products (4)
npm/openclaw 0 - 2026.3.22npm
OpenClaw/OpenClaw < 2026.3.22
openclaw/openclaw < 2026.3.22
OpenClaw/OpenClaw 2026.3.22
Published Apr 09, 2026
Tracked Since Apr 10, 2026