CVE-2026-42427

Medium

Description

OpenClaw before 2026.4.8 contains a remote code execution vulnerability caused by missing environment variable denylist entries for HGRCPATH, CARGO_BUILD_RUSTC_WRAPPER, RUSTC_WRAPPER, and MAKEFLAGS. Attackers can inject malicious build tool environment variables to influence host exec commands and achieve arbitrary code execution.

SeverityMedium

CVSS5.3

Exploit probability—

ProductOpenclaw

PublishedApr 28, 2026

First seenApr 28, 2026

Weakness typeCWE-184CWE-184

How to fix

Update

openclaw openclaw2026.4.8 or later
openclaw2026.4.8 or later

Patches

github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-7437-7hg8-frrw

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.4.8	2026.4.8
openclawnpm	v < 2026.4.8	2026.4.8

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