CVE-2026-35622
MEDIUM EPSS 21.0%
Published Apr 9, 20262mo ago · Modified Jun 17, 20261w ago
6.0 CVSS 4.0
Published Apr 9, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
21.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-290
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| openclaw | openclaw | * | <2026.3.22 |
References 4
- github.com https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
- github.com https://github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66
- github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-mp66-rf4f-mhh8
- vulncheck.com https://www.vulncheck.com/advisories/openclaw-improper-authentication-verification-in-google-chat-webhook
Remediation
- github.com https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
- github.com https://github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66