SEPTEMBER 23, 2026
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Case File

CVE-2026-42427

MEDIUM · CVSS 5.3 EPSS 0.19% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-04-28 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution arbitrary code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-42427
Severity
MEDIUM
CVSS
5.3
EPSS
0.19%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)