CVE-2026-42427

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5	Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-7437-7hg8-frrw	Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-remote-code-execution-via-build-tool-environment-variable-injection	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

History

30 Apr 2026, 14:05

Type	Values Removed	Values Added
First Time		Openclaw openclaw Openclaw
CPE		cpe:2.3:a:openclaw:openclaw::::::node.js::*
References	~~() https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 -~~	() https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 - Patch
References	~~() https://github.com/openclaw/openclaw/security/advisories/GHSA-7437-7hg8-frrw -~~	() https://github.com/openclaw/openclaw/security/advisories/GHSA-7437-7hg8-frrw - Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/openclaw-remote-code-execution-via-build-tool-environment-variable-injection -~~	() https://www.vulncheck.com/advisories/openclaw-remote-code-execution-via-build-tool-environment-variable-injection - Third Party Advisory

28 Apr 2026, 19:37

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-28 19:37

Updated : 2026-04-30 14:05

NVD link : CVE-2026-42427

Mitre link : CVE-2026-42427

CVE.ORG link : CVE-2026-42427

JSON object : View

Products Affected

openclaw

openclaw

CWE

CWE-184

Incomplete List of Disallowed Inputs

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