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Advisories

OpenClaw < 2026.2.12 - Timing Attack in Hooks Token Authentication

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severity
high
date
Affecting

  • OpenClaw < 2026.2.12

CWE
  • CWE-208 Observable Timing Discrepancy
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
AM (@akhmittra)
Description
OpenClaw versions prior to 2026.2.12 use non-constant-time string comparison for hook token validation, allowing attackers to infer tokens through timing measurements. Remote attackers with network access to the hooks endpoint can exploit timing side-channels across multiple requests to gradually determine the authentication token.

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