CVE-2026-53819: Openclaw

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Openclaw Openclaw: before 2026.5.27 (fixed in 2026.5.27)

Published 2026-06-11. Last modified 2026-06-17.