OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L
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