CVE-2026-53836

CVE-2026-53836

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 aut…

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-53836?
CVE-2026-53836 is a high-severity vulnerability, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.8/10. Published 2026-06-12.
How severe is CVE-2026-53836?
High severity. CVSS v3 base score is 8.8 out of 10.