CVE-2026-53836 HIGH

CVE-2026-53836: OpenClaw < 2026.5.12 - Allowlist Bypass via PowerShell Encoded-Command Aliases

Vendor Openclaw
Product OpenClaw
Weakness CWE-184
Published June 12, 2026
Last update June 15, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 12, 2026 CVE published
June 15, 2026 Record updated