CVE-2026-41338

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

MEDIUM
5
CVSS Score
Published: April 23, 2026 at 09:57 PM UTC
Updated: June 17, 2026 at 10:46 AM UTC
1 product affected across 1 vendorOpenClaw

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Severity
MEDIUM5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2026.3.31
Vendor states this is fixed in 2026.3.31 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5MEDIUMVulnCheck
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-367

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