CVE•Published 2026-04-28•Modified 2026-04-30•0 articles on news•6 live references•NVD data

CVE-2026-42427Openclaw · Openclaw

Vulnerability data via NVD (ingested)

CVSS v3.1

5.3

MEDIUM

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

EPSS percentile

—

Weaknesses (CWE)

CWE-184Incomplete List of Disallowed Inputs

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.

Timeline

Published 2026-04-28

Modified 2026-04-30

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-42427

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Openclaw Openclaw"

All exposed Openclaw Openclaw instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Openclaw"

HTTP body or banner mentions "Openclaw" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-42427