What is the CVSS score of CVE-2026-28391?

CVE-2026-28391 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Windows are affected by CVE-2026-28391?

CVE-2026-28391 is a critical command injection vulnerability in OpenClaw that allows attackers to bypass security approval workflows in non-default configurations, potentially enabling unauthorized…. A patch is available.

Windows CVE-2026-28391

CRITICAL

OS Command Injection (CWE-78)

2026-03-05 disclosure@vulncheck.com

GHSA-qj77-c3c8-9c3q

Windows Openclaw

9.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

Patch released

Mar 10, 2026 - 18:18 nvd

Patch available

CVE Published

Mar 05, 2026 - 22:16 nvd

CRITICAL 9.8

DescriptionNVD

OpenClaw versions prior to 2026.2.2 fail to properly validate Windows cmd.exe metacharacters in allowlist-gated exec requests (non-default configuration), allowing attackers to bypass command approval restrictions. Remote attackers can craft command strings with shell metacharacters like & or %...% to execute unapproved commands beyond the allowlisted operations.

AnalysisAI

Windows cmd.exe metacharacter injection in OpenClaw before 2026.2.2. Bypass exec whitelist. …

RemediationAI

Within 24 hours: Identify all OpenClaw instances running versions prior to 2026.2.2 and audit which systems have allowlist-gated exec enabled. Within 7 days: Apply vendor patch to upgrade OpenClaw to version 2026.2.2 or later across all affected systems. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-28391 vulnerability details – vuln.today

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Windows CVE-2026-28391

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

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External POC / Exploit Code