Advisories

OpenClaw < 2026.3.31 - Sandbox Escape via TOCTOU Race in Remote FS Bridge readFile

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severity
high
date
Affecting
  • OpenClaw >= 0, < 2026.3.31

CWE
  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CVSS
8.8
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Credit
AntAISecurityLab
Description
OpenClaw before 2026.3.31 contains a time-of-check-time-of-use race condition in the remote filesystem bridge readFile function that allows sandbox escape. Attackers can exploit the separate path validation and file read operations to bypass sandbox restrictions and read arbitrary files.

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