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)
npm openclaw · Upgrade to 2026.4.8 or later · < 2026.4.8 · CVE-2026-42427 · GHSA-7437-7hg8-frrw · amended