Windows
CVE-2026-28391
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
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. Patch available.
Technical ContextAI
CWE-78.
RemediationAI
Update.
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Same weakness CWE-78 – OS Command Injection
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External POC / Exploit Code
Leaving vuln.today
GHSA-qj77-c3c8-9c3q