First Malicious MCP Server Found Stealing Emails in Rogue Postmark-MCP Package
Malicious npm package 'postmark-mcp' added a BCC that forwarded every email to phan@giftshop[.]club, exposing thousands of emails and supply-chain risk.
Seven npm Packages Use Adspect Cloaking to Trick Victims Into Crypto Scam Pages
Seven npm packages used the Adspect cloaking service to fingerprint visitors and selectively redirect real victims to malicious crypto-themed sites while evading security researchers.
A malicious MCP server is silently stealing user emails
A malicious MCP server repackaged as Postmark on npm exfiltrated thousands of emails by adding a BCC line, exploiting full assistant privileges and bypassing security controls.
Four npm packages impersonating Flashbots exfiltrate Ethereum private keys and mnemonic seeds to a Telegram bot and redirect unsigned transactions to attacker-controlled wallets.