CVE-2026-41338

MEDIUM EPSS 0.5%
Published Apr 23, 20262mo ago · Modified Jun 17, 20262w ago
4.3 CVSS 4.0
Medium
Find Similar
Published Apr 23, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
4.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
0.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-367

Affected Products 1

VendorProductVersionRange
openclawopenclaw* <2026.3.31

References 3

  • github.com https://github.com/openclaw/openclaw/commit/32a4a47d602e0618f87b3e59f94d8c142767f860
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-rm5c-4rmf-vvhw
    Vendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-time-of-check-time-of-use-toctou-vulnerability-in-sandbox-file-operations
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/32a4a47d602e0618f87b3e59f94d8c142767f860
    Patch