CVE-2026-41338 OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operations

What is CVE-2026-41338?

CVE-2026-41338 is a medium-severity vulnerability in Openclaw Openclaw, published on 23 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-367

Which versions are affected by CVE-2026-41338?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

Products include Openclaw Openclaw.

How do I fix CVE-2026-41338?

Upgrade openclaw to 2026.3.31 or later.

Is CVE-2026-41338 being exploited?

There is no known exploitation of CVE-2026-41338 in the wild and no public exploit code.

Other vulnerabilities in Openclaw Openclaw

• CVE-2026-28363 Security feature bypass in OpenClaw Critical 9.9
• CVE-2026-30741 Code injection in n/a Critical 9.8
• CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval Critical 9.4
• CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate Critical 9.4
• CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners Critical 9.4

All Openclaw Openclaw vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as GHSA-9hhx-mwf2-vr7v, GHSA-rm5c-4rmf-vvhw, MINI-gr5g-gv68-328j, MINI-mc94-hjxc-hqwf.