CVE-2026-53836

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

Published Jun 12, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-j472-gf56-x589 OpenClaw: PowerShell encoded-command aliases could miss exec allowlist checks
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenClaw < 2026.5.12 - Allowlist Bypass via PowerShell Encoded-Command Aliases
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-184
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jun 15, 2026, 5:22 PM
Reserved
Jun 10, 2026, 9:19 PM
Status
Analyzed
Published
Jun 12, 2026, 10:16 PM
Modified
Jul 23, 2026, 9:10 AM