CVE-2026-53861: Openclaw

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags. Attackers can execute shell content outside the intended allowlist check by using combined flag forms, potentially allowing unauthorized command execution depending on operator configuration.

Affected products

• Openclaw Openclaw: before 2026.5.6 (fixed in 2026.5.6); version 2026.5.6 only

Published 2026-06-16. Last modified 2026-06-18.