CVE-2026-35622
OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
13th
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.
| CWE | CWE-290 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Apr 9, 2026 |
| Last Updated | Apr 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
None
Affected Versions
OpenClaw / OpenClaw
0 < 2026.3.22
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-mp66-rf4f-mhh8 github.com: https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 github.com: https://github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-improper-authentication-verification-in-google-chat-webhook
Credits
ijxpwastaken