OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags.
Date: 2026-06
Affected: openclaw/openclaw
Attack vector: rce
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-53861
CWE: CWE-184
CVSS: 6.6 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N)

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.


Mitigations:

Architectural layers (MAESTRO):