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 576
Updated 24 Oct 2026, 08:30 UTC. Ordered by latest scan.
OpenSSF/OSV malware advisory MAL-2026-5484 blocks this version. Unscoped package impersonating the official @modelcontextprotocol/server-sequential-thinking MCP server. package.json decla...
OpenSSF/OSV malware advisory MAL-2026-5482 blocks this version. Package claims the unscoped name `mcp-server-redis` to intercept `npx mcp-server-redis` invocations intended for the legiti...
OpenSSF/OSV malware advisory MAL-2026-5481 blocks this version. Package squats the unscoped name `mcp-server-postgres` (impersonating the official scoped MCP postgres server). package.jso...
OpenSSF/OSV malware advisory MAL-2026-5478 blocks this version. package.json declares `postinstall: node index.js`. On every `npm install`, index.js (lines 14-29) reads `os.hostname()`, `...
OpenSSF/OSV malware advisory MAL-2026-5476 blocks this version. Package squats the unscoped name `mcp-server-fetch` (an MCP server name commonly invoked via `npx mcp-server-fetch` by AI c...
OpenSSF/OSV malware advisory MAL-2026-5479 blocks this version. Package squats the unscoped name `mcp-server-github` to intercept installs intended for the official `@modelcontextprotocol...
OpenSSF/OSV malware advisory MAL-2026-5477 blocks this version. Package squats the unscoped name `mcp-server-figma`, which AI coding agents and developers commonly invoke via `npx mcp-ser...
OpenSSF/OSV malware advisory MAL-2026-5485 blocks this version. Package squats the unscoped name `mcp-server-supabase` to intercept `npx mcp-server-supabase` invocations intended for the...
OpenSSF/OSV malware advisory MAL-2026-5483 blocks this version. On `npm install`, the package's postinstall hook (scripts.postinstall: `node index.js`) collects host identifiers — `os.hos...
OpenSSF/OSV malware advisory MAL-2026-5480 blocks this version. Package occupies the unscoped name `mcp-server-notion` to catch misrouted installs of the scoped MCP Notion server. `packag...
OpenSSF/OSV malware advisory MAL-2026-5482 blocks this version. Package claims the unscoped name `mcp-server-redis` to intercept `npx mcp-server-redis` invocations intended for the legiti...
OpenSSF/OSV malware advisory MAL-2026-5484 blocks this version. Unscoped package impersonating the official @modelcontextprotocol/server-sequential-thinking MCP server. package.json decla...
OpenSSF/OSV malware advisory MAL-2026-5478 blocks this version. package.json declares `postinstall: node index.js`. On every `npm install`, index.js (lines 14-29) reads `os.hostname()`, `...
OpenSSF/OSV malware advisory MAL-2026-5476 blocks this version. Package squats the unscoped name `mcp-server-fetch` (an MCP server name commonly invoked via `npx mcp-server-fetch` by AI c...
OpenSSF/OSV malware advisory MAL-2026-5481 blocks this version. Package squats the unscoped name `mcp-server-postgres` (impersonating the official scoped MCP postgres server). package.jso...
OpenSSF/OSV malware advisory MAL-2026-5479 blocks this version. Package squats the unscoped name `mcp-server-github` to intercept installs intended for the official `@modelcontextprotocol...
OpenSSF/OSV malware advisory MAL-2026-5753 blocks this version. Package advertises trivial form-validation helpers (notEmpty/isEmail/isPhone/maxLen/minLen) but on require/import of the ma...
OpenSSF/OSV malware advisory MAL-2026-5753 blocks this version. Package advertises trivial form-validation helpers (notEmpty/isEmail/isPhone/maxLen/minLen) but on require/import of the ma...
OpenSSF/OSV malware advisory MAL-2026-3757 blocks this version. On `npm install -g`, the package's `scripts/post-install.js` registers a privileged Windows service `claw-subagent-service`...
OpenSSF/OSV malware advisory MAL-2026-5753 blocks this version. Package advertises trivial form-validation helpers (notEmpty/isEmail/isPhone/maxLen/minLen) but on require/import of the ma...
OpenSSF/OSV malware advisory MAL-2026-5730 blocks this version. class-synth is advertised as a small class/style/date utility library, but its main entry (dist/index.js) contains a hidden...
OpenSSF/OSV malware advisory MAL-2026-4621 blocks this version. nolimit-x ships an entirely obfuscator.io-packed runtime (45 files under.ad/, including the x0.js entrypoint) with no reada...
OpenSSF/OSV malware advisory MAL-2026-5753 blocks this version. Package advertises trivial form-validation helpers (notEmpty/isEmail/isPhone/maxLen/minLen) but on require/import of the ma...
OpenSSF/OSV malware advisory MAL-2026-6141 blocks this version. Package impersonates the popular cookie-signature library (copying its README, author field 'TJ Holowaychuk <tj@learnboost....
OpenSSF/OSV malware advisory MAL-2026-5753 blocks this version. Package advertises trivial form-validation helpers (notEmpty/isEmail/isPhone/maxLen/minLen) but on require/import of the ma...