CVE-2026-53836

HIGH 8.8

OpenClaw < 2026.5.12 - Allowlist Bypass via PowerShell Encoded-Command Aliases

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-184
Vendor	openclaw
Product	openclaw
Published	Jun 12, 2026

Stay Ahead of the Next One

Get instant alerts for openclaw openclaw

Be the first to know when new high vulnerabilities affecting openclaw openclaw are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

OpenClaw / OpenClaw

0 < 2026.5.12

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-j472-gf56-x589 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-powershell-encoded-command-aliases

Credits

🔍 Edward-x (@YLChen-007)