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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-42427 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulnCheck
CVSS-B 5.8 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 VulnCheck Patch 
https://github.com/openclaw/openclaw/security/advisories/GHSA-7437-7hg8-frrw VulnCheck Vendor Advisory 
https://www.vulncheck.com/advisories/openclaw-remote-code-execution-via-build-tool-environment-variable-injection VulnCheck Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-184 Incomplete List of Disallowed Inputs VulnCheck  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-42427
NVD Published Date:
04/28/2026
NVD Last Modified:
04/30/2026
Source:
VulnCheck