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Advisories

OpenClaw < 2026.3.12 - Forged Event Injection via Feishu Webhook Verification Token

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severity
high
date
Affecting

  • OpenClaw < 2026.3.12

CWE
  • CWE-347 Improper Verification of Cryptographic Signature
CVSS
8.6
Credit
lintsinghua
Description
OpenClaw before 2026.3.12 contains an authentication bypass vulnerability in Feishu webhook mode when only verificationToken is configured without encryptKey, allowing acceptance of forged events. Unauthenticated network attackers can inject forged Feishu events and trigger downstream tool execution by reaching the webhook endpoint.

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