CVE-2026-42427 Details
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.
A remote code execution vulnerability exists in OpenClaw versions prior to 2026.4.8. This issue arises from missing entries in the environment variable denylist, allowing attackers to inject malicious build tool environment variables that influence host execution commands, leading to arbitrary code execution.
Users can upgrade to OpenClaw version 2026.4.8 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 29, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-184 | Incomplete List of Disallowed Inputs | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| openclaw openclaw | < 2026.4.8 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 30, 2026 | Initial Analysis | [email protected] |
| Apr 28, 2026 | New CVE Received | [email protected] |