OpenClaw before 2026.5.26 contains an insufficient sanitization vulnerability in the host environment sanitizer that allows Node.js control variables to bypass validation.
Date: 2026-06
Affected: openclaw/openclaw
Attack vector: other
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-53864
CWE: CWE-184
CVSS: 8.1 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)

OpenClaw before 2026.5.26 contains an insufficient sanitization vulnerability in the host environment sanitizer that allows Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or skill environment blocks can pass malicious Node.js control variables to influence child processes or coverage output paths.


Mitigations:

Architectural layers (MAESTRO):