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CVE-2026-53836

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

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 8.7 · High · EPSS 0.8% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 0, < 2026.5.12: Affected (semver)
    • 2026.5.12: Not affected (semver)

    Update to 2026.5.12

  • openclaw npm

    Affected ranges
    • SEMVER: < 2026.5.12

    Update to 2026.5.12

Original sources

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