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Advisories

OpenClaw < 2026.2.21 - Authentication Bypass in HTTP Gateway Routes via Tokenless Tailscale Auth

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severity
medium
date
Affecting

  • OpenClaw < 2026.2.21

CWE
  • CWE-290 Authentication Bypass by Spoofing
CVSS
8.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
Peng Zhou (@zpbrent)
Description
OpenClaw versions prior to 2026.2.21 incorrectly apply tokenless Tailscale header authentication to HTTP gateway routes, allowing bypass of token and password requirements. Attackers on trusted networks can exploit this misconfiguration to access HTTP gateway routes without proper authentication credentials.

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