OpenClaw before 2026.5.27 contains an arbitrary code execution vulnerability in skill install flows where workspace .env files can override the Homebrew executable selection.
Date: 2026-06
Affected: openclaw/openclaw
Attack vector: rce
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-53819
CWE: CWE-426
CVSS: 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

OpenClaw before 2026.5.27 contains an arbitrary code execution vulnerability in skill install flows where workspace .env files can override the Homebrew executable selection. Attackers with access to trusted operator workspaces can execute unintended Homebrew-compatible executables during skill setup to compromise the system.


Mitigations:

Architectural layers (MAESTRO):