CVE-2026-35622
OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook
- State
- Published
- Severity
- 6.0 Medium
- Published
- Apr 9, 2026
- Updated
- Jun 23, 2026
- Reserved
- Apr 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | 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 | VulnCheck |
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N | VulnCheck |
Weaknesses
- CWE-290 Authentication Bypass by Spoofing
Affected Products
| Product | Versions |
|---|---|
OpenClawOpenClaw |
|
References
- GitHub Security Advisory (GHSA-mp66-rf4f-mhh8)vendor-advisory
- Patch Commit #1patch
- Patch Commit #2patch
- VulnCheck Advisory: OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhookthird-party-advisory
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