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openclaw/openclaw · Security

OpenClaw: Google Chat app-url webhook auth accepted non-deployment add-on principals

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GHSA ID
GHSA-mp66-rf4f-mhh8
CVE ID
CVE-2026-35622
Severity
medium
Published
Updated
CVSS
5.9 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
CVSS v3
5.9 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
CVSS v4
6 · 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

Description

Summary

Google Chat app-url webhook verification accepted add-on principals outside the intended deployment binding.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected: < 2026.3.22
  • Fixed: >= 2026.3.22
  • Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
  • Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

  • a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

  • extensions/googlechat/src/auth.ts now requires expectedAddOnPrincipal matching for add-on principals and rejects unexpected issuers.
  • extensions/googlechat/src/monitor-webhook.ts passes the configured appPrincipal into auth verification for the shipped webhook path.

OpenClaw thanks @ijxpwastaken for reporting.

CWEs

  • CWE-290 · Authentication Bypass by Spoofing
  • CWE-863 · Incorrect Authorization

References