CVE-2026-53819

OpenClaw < 2026.5.27 - Arbitrary Homebrew Executable Execution via Workspace .env Override

State: Published
Severity: 8.7 High
Published: Jun 11, 2026
Updated: Jun 23, 2026
Reserved: Jun 10, 2026

Description

OpenClaw before 2026.5.27 contains an arbitrary code execution vulnerability in skill install flows where workspace .env files can override the Homebrew executable selection. Attackers with access to trusted operator workspaces can execute unintended Homebrew-compatible executables during skill setup to compromise the system.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-426 Untrusted Search Path

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.5.27Affected 2026.5.27Not affected

References

GitHub Security Advisory (GHSA-8wg3-5mcm-fjq8)vendor-advisory
https://www.vulncheck.com/advisories/openclaw-arbitrary-homebrew-executable-execution-via-workspace-env-overridethird-party-advisory

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