Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-7437-7hg8-frrw
Advisory ID github_osv/GHSA-7437-7hg8-frrw
Aliases CVE-2026-42427
Summary OpenClaw: HGRCPATH, CARGO_BUILD_RUSTC_WRAPPER, RUSTC_WRAPPER, and MAKEFLAGS missing from exec env denylist — RCE via build tool env injection (GHSA-cm8v-2vh9-cxf3 class) ## Impact HGRCPATH, CARGO_BUILD_RUSTC_WRAPPER, RUSTC_WRAPPER, and MAKEFLAGS missing from exec env denylist — RCE via build tool env injection (GHSA-cm8v-2vh9-cxf3 class). Missing denylist entries allowed hostile build-tool environment variables to influence host exec commands. OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary. ## Affected Packages / Versions - Package: `openclaw` (npm) - Affected versions: `< 2026.4.8` - Patched versions: `2026.4.8` ## Fix The issue was fixed on `main` and is available in the patched npm version listed above. The verified fixed tree is commit `d7c3210cd6f5fdfdc1beff4c9541673e814354d5`. ## Verification The fix was re-checked against `main` before publication, including targeted regression tests for the affected security boundary. ## Credits Thanks @boy-hack of Tencent zhuque Lab (https://github.com/Tencent/AI-Infra-Guard) for reporting.
Status Published
Exploitability 0.5
Weighted Severity 7.7
Risk 3.9
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-184 Incomplete List of Disallowed Inputs
System Score Found at
cvssv4 8.6 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-7437-7hg8-frrw/GHSA-7437-7hg8-frrw.json
generic_textual HIGH
Reference id Reference type URL
https://github.com/openclaw/openclaw
https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5
https://github.com/openclaw/openclaw/security/advisories/GHSA-7437-7hg8-frrw
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-7437-7hg8-frrw/GHSA-7437-7hg8-frrw.json
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.