CVE-2026-42427
mediumOpenClaw before 2026.4.8 contains a remote code execution vulnerability caused by missing environment variable denylist entries for HGRCPATH, CARGO_BUILD_RUSTC…
Vendor / product: Openclaw — openclaw
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.
CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-04-28 19:37
Modified: 2026-11-11 21:10
NVD status: Analyzed
Last synced 5 hours ago
Verified against the source API 2026-11-11 21:11 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
openclaw / openclaw <2026.4.8
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 disclosure@vulncheck.com
- https://github.com/openclaw/openclaw/security/advisories/GHSA-7437-7hg8-frrw disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/openclaw-remote-code-execution-via-build-tool-environ... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-11 21:11 UTC · record ↗

