CVE-2026-42427

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

5.3 / 10

Vector String

                                        CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

April 28, 2026

Last Modified

April 28, 2026

CWE ID

CWE-184

Source

NVD

Vendor

OpenClaw

Product

OpenClaw

External References

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

CVE-2026-42427

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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