CVE-2026-35622

OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook

CVSS 6 MEDIUMEPSS 0.3%CWE-290

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

09 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

Affected products

OpenClaw · OpenClaw

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References

https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 https://github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66 https://github.com/openclaw/openclaw/security/advisories/GHSA-mp66-rf4f-mhh8 https://www.vulncheck.com/advisories/openclaw-improper-authentication-verification-in-google-chat-webhook