MAL-2026-10990 Malicious code in ts-vitest (npm)

ts-vitest is a typosquat of vitest/ts-eslint hollow "kelly-calc"/"clob-math" content, no legitimate functionality that ships a postinstall two-stage fetch-exec dropper. The package.json declares postinstall: node scripts/install-check.cjs; the hook's resolvePeerBundleUrl fetches a JSON config fro...