CVE-2026-53819 OpenClaw < 2026.5.27 - Arbitrary Homebrew Executable Execution via Workspace .env Override

High 8.7 Published Updated

Attackers with workspace access can execute arbitrary Homebrew executables via .env overrides, leading to system compromise.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-53819?

CVE-2026-53819 is a high-severity command injection vulnerability in Openclaw Openclaw, published on 11 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-426

Which versions are affected by CVE-2026-53819?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

PackageAffectedFixed in
openclaw npmAll versions2026.5.27
openclaw npmAll versions2026.5.27

Products include Openclaw Openclaw.

How do I fix CVE-2026-53819?

Upgrade openclaw to 2026.5.27 or later.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-53819 being exploited?

There is no known exploitation of CVE-2026-53819 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-8wg3-5mcm-fjq8, MINI-fhgp-53m5-g7rr.

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