CVE-2026-53836

HighCVSS 8.8/10Last modified Jul 23, 2026

Description

OpenClaw before 2026.5.12 contains an allowlist bypass vulnerability in PowerShell encoded-command handling that allows attackers to execute encoded commands using abbreviated flag aliases not recognized by the allowlist parser. Remote authenticated operators can bypass execution allowlist checks by using unrecognized encoded-command alias forms to execute arbitrary PowerShell content.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 12, 2026
Last modified
Jul 23, 2026
NVD status
Analyzed

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CVE-2026-53836: High severity, CVSS 8.8 | Vulnix