A critical pre-authentication remote code execution (RCE) vulnerability in Marimo is now under active exploitation, leveraged ...

A single unauthenticated connection gives attackers a full shell; credential theft observed in under three minutes on honeypot servers.

Marimo CVE-2026-39987 exploited within 10 hours of disclosure, enabling unauthenticated RCE and credential theft, emphasizing urgent patching needs.

Hackers are exploiting a critical vulnerability in Marimo reactive Python notebook to deploy a new variant of NKAbuse malware ...