PT-2026-49040 · Openclaw · Openclaw

Edward-X · Published 2026-06-12 · Updated 2026-06-12 · CVE-2026-53836

NVD

CVSS v3.1

8.8

High

Base vector

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

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.

Fix

Incomplete List of Disallowed Inputs

Weakness Enumeration

CWE-184

Related Identifiers

CVE-2026-53836

Affected Products

Openclaw

References · 3

• https://github.com/openclaw/openclaw/security/advisories/GHSA-j472-gf56-x589 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-53836 · Security Note
• https://vulncheck.com/advisories/openclaw-allowlist-bypass-via-powershell-encoded-command-aliases · Note