CVE-2026-53836

High

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.

SeverityHigh

CVSS8.8

Exploit probability—

ProductOpenclaw

PublishedJun 12, 2026

First seenJun 12, 2026

Weakness typeCWE-184CWE-184

How to fix

Update

openclaw openclaw2026.5.12 or later
openclaw2026.5.12 or later

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-j472-gf56-x589

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.5.12	2026.5.12
openclawnpm	v < 2026.5.12	2026.5.12

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