CVE-2026-41338: Openclaw

Medium severity, CVSS 5.0. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Openclaw Openclaw: before 2026.3.31 (fixed in 2026.3.31)

Published 2026-04-23. Last modified 2026-06-17.