PT-2026-34769 · Openclaw · Openclaw

Antaisecuritylab · Published 2026-04-23 · Updated 2026-04-25 · CVE-2026-41338

Positive Technologies (AI Summary)

CVSS v3.1

5.0

Medium

Base vector

AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.3.31

Description A time-of-check-time-of-use (TOCTOU) issue exists in sandbox file operations, which is a race condition where a system checks a condition and then acts on it, but the condition changes between the check and the action. This allows attackers to bypass fd-based defenses by exploiting check-then-act patterns in the apply patch(), remove(), and mkdir() functions to manipulate files between validation and execution.

Recommendations Update to version 2026.3.31. As a temporary workaround, restrict access to the apply patch(), remove(), and mkdir() functions to minimize the risk of exploitation.

Fix

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2026-41338

Affected Products

Openclaw

References · 5

• https://github.com/openclaw/openclaw/commit/32a4a47d602e0618f87b3e59f94d8c142767f860 · Patch
• https://github.com/openclaw/openclaw/security/advisories/GHSA-rm5c-4rmf-vvhw · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41338 · Security Note
• https://vulncheck.com/advisories/openclaw-time-of-check-time-of-use-toctou-vulnerability-in-sandbox-file-operations · Note
• https://twitter.com/CVEnew/status/2048168370097602855 · Twitter Post