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npm threat feed
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 478
Updated 21 Oct 2026, 17:45 UTC. Ordered by latest scan.
whs4_npm@1.0.0
OpenSSF/OSV malware advisory MAL-2026-6951 blocks this version. The package was found to contain malicious code or consuming dependency that contains malicious code
hello244a@1.0.39
OpenSSF/OSV malware advisory MAL-2026-5188 blocks this version. package.json declares a postinstall script that, on npm install, (1) enumerates process.env plus os.hostname(), os.platform...
decimal-format-core@3.3.0
OpenSSF/OSV malware advisory MAL-2026-6689 blocks this version. Malicious npm package published as part of a coordinated DeFi-themed infostealer campaign. `decimal-format-core` uses a dro...
decimal-format-core@3.2.0
OpenSSF/OSV malware advisory MAL-2026-6689 blocks this version. Malicious npm package published as part of a coordinated DeFi-themed infostealer campaign. `decimal-format-core` uses a dro...