| Component | OpenClaw |
| Severity | medium (CVSS 5.9) |
| CVSS vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N |
| Published (NVD) | 2026-04-09 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.3.22 |
| Fixed in | 2026.3.22 |
| Weakness | CWE-290 |
| CISA KEV | not listed |
NVD 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.
What to do
- Upgrade OpenClaw to
2026.3.22or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-35622
- https://github.com/openclaw/openclaw/security/advisories/GHSA-mp66-rf4f-mhh8
- https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
- https://github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66
- https://www.vulncheck.com/advisories/openclaw-improper-authentication-verification-in-google-chat-webhook
Read more
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