MAL-2026-4209 Malicious code in polymarket-ai-agent (npm)

A coordinated supply-chain attack comprising 9 npm packages published by maintainer polymarketdev GitHub actor texsellix, repo texsellix/polymarket-trading-bot within a 2-minute window on 2026-05-20T23:30Z–23:32Z. All packages masquerade as legitimate Polymarket CLOB trading tools while...

Malicious code in web3-secrets-detector (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...

PT-2026-50805

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 1.5.128 Description The software caches tool approval decisions based solely on the tool name rather than the invocation arguments. This allows subsequent calls to the execute command function to bypass approval...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to an impersonation attack

A flaw was found in Mozilla. According to the Mozilla Foundation Security Advisory, Thunderbird users who use the Matrix chat protocol are vulnerable to an impersonation attack. An attacker could spoof historical messages from other users, and use a malicious key backup to the user's account unde...