Is CVE-2026-41338 actively exploited?

CVE-2026-41338 has no public evidence of in-the-wild exploitation as of 2026-04-28.

What is the CVSS score for CVE-2026-41338?

CVE-2026-41338 has a CVSS score of 4.3 (MEDIUM severity). Vector: 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.

How do I patch CVE-2026-41338?

Patch guidance is available from openclaw security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-41338.

CVE-2026-41338 - remediation guidance & executive summary

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 Metrics

Vector: 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
Complexity: high
Privileges: low
User Action: passive
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-367

Metadata

Primary Vendor: OPENCLAW
Published: 4/23/2026
Last Modified: 4/28/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-41338

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary