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Advisories

OpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action Validation

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severity
critical
date
Affecting

  • OpenClaw < 2026.4.15

CWE
  • CWE-1188 Initialization of a Resource with an Insecure Default
CVSS
9.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
dhyabi2
Description
OpenClaw before 2026.4.15 contains an authentication bypass vulnerability in Feishu webhook and card-action validation that allows unauthenticated requests to reach command dispatch. Missing encryptKey configuration and blank callback tokens fail open instead of rejecting requests, enabling attackers to bypass signature verification and replay protection to execute arbitrary commands.

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