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Advisories

OpenClaw < 2026.4.2 - Timing Side Channel in Shared-Secret Comparison

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severity
low
date
Affecting

  • OpenClaw < 2026.4.2

CWE
  • CWE-208 Observable Timing Discrepancy
CVSS
6.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
KEXNA (@kexinoh)
Description
OpenClaw before 2026.4.2 contains a timing side channel vulnerability in shared-secret comparison call sites that use early length-mismatch checks instead of fixed-length comparison helpers. Attackers can measure timing differences to leak secret-length information, weakening constant-time handling for shared secrets.

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