CVE-2026-53861

CriticalCVSS 9.8/10Last modified Jun 18, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-184

Affected software

Vendor	Product	Versions
OpenClaw	OpenClaw	< 2026.5.6

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-c226-q6fx-6j6cMitigation, Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-combined-posix-inline-flags-on-macosThird Party Advisory

Timeline

Published: Jun 16, 2026
Last modified: Jun 18, 2026
NVD status: Analyzed

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