Malicious Package

Overview ts-vitest is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package authorship...

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...

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...