IT Services Circle

Jun 21, 2026 · Information Security

npm v12 Disables Lifecycle Scripts, Ending a 15‑Year Front‑End Security Flaw

npm v12, releasing in July, will default disable the preinstall, install, postinstall and prepare lifecycle scripts, separating code download from execution to curb the long‑standing supply‑chain vulnerability that let third‑party packages run arbitrary code during npm install, impacting many JavaScript projects and prompting migration.