npm advisory reports, with evidence.
Investigate malicious npm packages reported through OSV and public advisories. Each report identifies the package version, supporting evidence, advisory sources, and current Firewall decision.
Security reports — page 490
Updated 24 Oct 2026, 08:31 UTC. Ordered by latest scan.
OpenSSF/OSV malware advisory MAL-2026-5798 blocks this version. On `npm install`, scripts/postinstall.js connects to a hardcoded attacker IP (http://213.218.160.189:8080, fallback:80), se...
OpenSSF/OSV malware advisory MAL-2026-5707 blocks this version. ttspc-server-sample@99.9.0 declares `postinstall: node index.js` in package.json, so on `npm install` it automatically exec...
OpenSSF/OSV malware advisory MAL-2026-5707 blocks this version. ttspc-server-sample@99.9.0 declares `postinstall: node index.js` in package.json, so on `npm install` it automatically exec...
OpenSSF/OSV malware advisory MAL-2026-5798 blocks this version. On `npm install`, scripts/postinstall.js connects to a hardcoded attacker IP (http://213.218.160.189:8080, fallback:80), se...
OpenSSF/OSV malware advisory MAL-2026-5798 blocks this version. On `npm install`, scripts/postinstall.js connects to a hardcoded attacker IP (http://213.218.160.189:8080, fallback:80), se...
OpenSSF/OSV malware advisory MAL-2026-5930 blocks this version. package.json declares `"postinstall": "node index.js"`, and index.js is a heavily obfuscated single-file script (RC4+base64...
OpenSSF/OSV malware advisory MAL-2026-5936 blocks this version. vite-config-field@1.1.0 impersonates the legitimate vite-plugin-pwa package (README copies its banner/badges, funding field...
OpenSSF/OSV malware advisory MAL-2026-5750 blocks this version. The package advertises itself as an email-confirmation utility, but index.js contains only no-op stubs that console.log dem...
OpenSSF/OSV malware advisory MAL-2026-5750 blocks this version. The package advertises itself as an email-confirmation utility, but index.js contains only no-op stubs that console.log dem...
OpenSSF/OSV malware advisory MAL-2026-5750 blocks this version. The package advertises itself as an email-confirmation utility, but index.js contains only no-op stubs that console.log dem...
OpenSSF/OSV malware advisory MAL-2026-5750 blocks this version. The package advertises itself as an email-confirmation utility, but index.js contains only no-op stubs that console.log dem...
OpenSSF/OSV malware advisory MAL-2026-5750 blocks this version. The package advertises itself as an email-confirmation utility, but index.js contains only no-op stubs that console.log dem...
OpenSSF/OSV malware advisory MAL-2026-5780 blocks this version. On npm install, package.json's preinstall hook executes poc.js, which collects os.hostname(), os.userInfo().username, proce...
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-2026-5777 blocks this version. package.json declares both preinstall and postinstall scripts that run curl against a hardcoded bare-IP HTTP endpoint (http...
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-2026-5750 blocks this version. The package advertises itself as an email-confirmation utility, but index.js contains only no-op stubs that console.log dem...
OpenSSF/OSV malware advisory MAL-2026-5777 blocks this version. package.json declares both preinstall and postinstall scripts that run curl against a hardcoded bare-IP HTTP endpoint (http...
OpenSSF/OSV malware advisory MAL-2026-5750 blocks this version. The package advertises itself as an email-confirmation utility, but index.js contains only no-op stubs that console.log dem...
OpenSSF/OSV malware advisory MAL-2026-5973 blocks this version. The package masquerades as a Tailwind plugin: README and the top of src/index.js are a verbatim clone of @tailwindcss/typog...
OpenSSF/OSV malware advisory MAL-2026-5750 blocks this version. The package advertises itself as an email-confirmation utility, but index.js contains only no-op stubs that console.log dem...
OpenSSF/OSV malware advisory MAL-2026-5789 blocks this version. On first invocation of `npx claude-cup` (and on every subsequent Claude Code tool call once hooks are installed), `research...
OpenSSF/OSV malware advisory MAL-2026-5789 blocks this version. On first invocation of `npx claude-cup` (and on every subsequent Claude Code tool call once hooks are installed), `research...
OpenSSF/OSV malware advisory MAL-2026-5789 blocks this version. On first invocation of `npx claude-cup` (and on every subsequent Claude Code tool call once hooks are installed), `research...
OpenSSF/OSV malware advisory MAL-2026-5789 blocks this version. On first invocation of `npx claude-cup` (and on every subsequent Claude Code tool call once hooks are installed), `research...