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 715
Updated 27 Oct 2026, 23:34 UTC. Ordered by latest scan.
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-5858 blocks this version. Package declares `"postinstall": "node run.js"` in package.json, causing automatic execution of bundled beacon scripts on `...
OpenSSF/OSV malware advisory MAL-2026-6190 blocks this version. The package decodes base64 string literals via Buffer.from(..., 'base64').toString() and pipes the resulting content into e...
OpenSSF/OSV malware advisory MAL-2026-4146 blocks this version. Part of the **Mini Shai-Hulud** supply chain attack campaign in which a threat actor compromised the npm account `atool` an...
OpenSSF/OSV malware advisory MAL-2026-4146 blocks this version. Part of the **Mini Shai-Hulud** supply chain attack campaign in which a threat actor compromised the npm account `atool` an...
OpenSSF/OSV malware advisory MAL-2026-4147 blocks this version. Part of the **Mini Shai-Hulud** supply chain attack campaign in which a threat actor compromised the npm account `atool` an...
OpenSSF/OSV malware advisory MAL-2026-4147 blocks this version. Part of the **Mini Shai-Hulud** supply chain attack campaign in which a threat actor compromised the npm account `atool` an...
OpenSSF/OSV malware advisory MAL-2026-3618 blocks this version. The OpenSSF Package Analysis project identified 'mimecast-web-components' @ 2.0.0 (npm) as malicious.
OpenSSF/OSV malware advisory MAL-2026-4610 blocks this version. The package masquerades as a pino-compatible logger (package.json keywords `fast`/`logger`/`stream`/`json`, exports `module...
OpenSSF/OSV malware advisory MAL-2026-4611 blocks this version. The package advertises a logger middleware (keywords fast/logger/stream/json, exports `module.exports.pino = middleware`, f...
OpenSSF/OSV malware advisory MAL-2026-3650 blocks this version. Two malicious npm packages published by the `micresoft` account (typosquatting "microsoft") are part of a coordinated suppl...
OpenSSF/OSV malware advisory MAL-2026-4148 blocks this version. Part of the **Mini Shai-Hulud** supply chain attack campaign in which a threat actor compromised the npm account `atool` an...
OpenSSF/OSV malware advisory MAL-2026-4148 blocks this version. Part of the **Mini Shai-Hulud** supply chain attack campaign in which a threat actor compromised the npm account `atool` an...
OpenSSF/OSV malware advisory MAL-2026-4606 blocks this version. Package name impersonates the legitimate martinez-polygon-clipping library: README, badges, and API surface are copied verb...
OpenSSF/OSV malware advisory MAL-2026-6353 blocks this version. Package name 'markdownlint-cli2-fix' impersonates the popular 'markdownlint-cli2' linter but contains no linter functionali...
OpenSSF/OSV malware advisory MAL-2026-6353 blocks this version. Package name 'markdownlint-cli2-fix' impersonates the popular 'markdownlint-cli2' linter but contains no linter functionali...