CVE-2026-53861

MEDIUM 6.6

OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOS

CVSS Score

6.6

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-184
Vendor	openclaw
Product	openclaw
Published	Jun 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.5.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-c226-q6fx-6j6c vulncheck.com: https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-combined-posix-inline-flags-on-macos

Credits

🔍 zsx (@zsxsoft) KeenSecurityLab qclawer