MAL-2026-6690 Malicious code in log-taker1 (npm)

Malicious npm package published as part of a coordinated DeFi-themed infostealer campaign. log-taker1 embeds a full infostealer 2800 lines directly in index.js, executed at install time via postinstall: node test.js. The payload harvests cryptocurrency wallet vaults MetaMask, Phantom, Solflare,...

MAL-2026-6692 Malicious code in polymarket-trading-developer-tools (npm)

Malicious npm package published as part of a coordinated DeFi-themed infostealer campaign targeting Polymarket developers. polymarket-trading-developer-tools uses a dropper technique: a postinstall hook downloads configuration from pm-trading-dev-tools-be.vercel.app and exfiltrates data to the...

MAL-2026-6695 Malicious code in ts-bn-proto (npm)

Malicious npm package published as part of a coordinated DeFi-themed infostealer campaign. ts-bn-proto embeds an infostealer payload directly in index.js with a base64-encoded C2 address data-stream.space, executed at install time via a postinstall hook. The payload harvests cryptocurrency wallet...

Malicious code in javascript-yaml (npm)

--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security d83c3b506a10b770a8c1f98d280262478cccc65708bb1066a72e0708dccaaf75 This malicious package is part the IronWorm campaign. This campaign executes a malicious binary payload during installation via a preinsta...

MAL-2026-5190 Malicious code in hbsig (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 96b3a65aade5ea74ab5761d7ad3a332834594752f34fdb69a095efe59a681c90 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2026-4219 Malicious code in wallet-security-checker (npm)

A coordinated supply-chain attack comprising 10 npm packages published by maintainer ddjidd5640 [email protected] within a 48-hour window 2026-05-19T03:55Z – 2026-05-21T04:31Z. All packages masquerade as legitimate Web3/DeFi developer security tools MCP servers while silently exfiltrating...