npm malware reports, with evidence.
Explore malware, protestware, install-hook abuse, staged payload carriers, crypto mining, and typosquatting. Each report identifies the package version, supporting evidence, advisory sources, and current Firewall decision.
Security reports — page 552
Updated 23 Oct 2026, 17:37 UTC. Ordered by latest scan.
OpenSSF/OSV malware advisory MAL-2026-5688 blocks this version. On `npm install`, postinstall.js executes unconditionally and performs three installer-harming actions. (1) It enumerates e...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5704 blocks this version. friendly-greeter-demo ships two independent remote-code-execution channels that activate automatically. postinstall.js runs...
OpenSSF/OSV malware advisory MAL-2026-5704 blocks this version. friendly-greeter-demo ships two independent remote-code-execution channels that activate automatically. postinstall.js runs...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5704 blocks this version. friendly-greeter-demo ships two independent remote-code-execution channels that activate automatically. postinstall.js runs...
OpenSSF/OSV malware advisory MAL-2026-5696 blocks this version. package.json declares both preinstall and postinstall lifecycle hooks that execute callback.js on `npm install`. callback.j...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5640 blocks this version. The package declares a postinstall lifecycle hook (postinstall.js) that runs automatically on `npm install`. The script she...
OpenSSF/OSV malware advisory MAL-2026-5688 blocks this version. On `npm install`, postinstall.js executes unconditionally and performs three installer-harming actions. (1) It enumerates e...
OpenSSF/OSV malware advisory MAL-2026-5688 blocks this version. On `npm install`, postinstall.js executes unconditionally and performs three installer-harming actions. (1) It enumerates e...
OpenSSF/OSV malware advisory MAL-2026-5688 blocks this version. On `npm install`, postinstall.js executes unconditionally and performs three installer-harming actions. (1) It enumerates e...
OpenSSF/OSV malware advisory MAL-2026-5688 blocks this version. On `npm install`, postinstall.js executes unconditionally and performs three installer-harming actions. (1) It enumerates e...
OpenSSF/OSV malware advisory MAL-2026-5688 blocks this version. On `npm install`, postinstall.js executes unconditionally and performs three installer-harming actions. (1) It enumerates e...
OpenSSF/OSV malware advisory MAL-2026-3288 blocks this version. Malicious npm package published by user `shetty123` as part of a Telegram account hijacking framework targeting Indian Tele...
OpenSSF/OSV malware advisory MAL-2026-6223 blocks this version. The package is published as 'mjs-eslint' but its description, file layout (big.js, big.mjs), and source are a verbatim copy...