CVE-2026-53861

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

State: Published
Severity: 5.3 Medium
Published: Jun 16, 2026
Updated: Jun 18, 2026
Reserved: Jun 10, 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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	6.6 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N	VulnCheck

Weaknesses

CWE-184 Incomplete List of Disallowed Inputs

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.5.6Affected 2026.5.6Not affected

References

GitHub Security Advisory (GHSA-c226-q6fx-6j6c)vendor-advisory
VulnCheck Advisory: OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOSthird-party-advisory

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