InfoWorld

Critical flaw in Marimo Python notebook exploited within 10 hours of disclosure

The CVSS‑9.3 vulnerability allows unauthenticated remote code execution on exposed Marimo servers and was exploited in the wild shortly after disclosure, Sysdig says.

Attackers are targeting the Python notebook Marimo

Marimo is an integrated development environment for Python that combines code, results, visualizations, and documentation. Close security vulnerability. As indicated by a warning ...

Critical Marimo pre-auth RCE flaw now under active exploitation

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

Design and Implementation of a Real-Time Collaborative Multi-End Interaction Platform Based on WebSocket and WebRTC

Abstract: Based on Node.js service,this study combines WebSocket and WebRTC technologies to build an online collaboration platform that supports real-time collaboration and multi-terminal ...
Cybernews

This Python notebook flaw shows how fast hackers are acting on advisories

A critical flaw in Python tool Marimo was exploited within 10 hours of disclosure, researchers report, highlighting how quickly attackers are now turning vulnerability advisories into real-world ...
The Hacker News

Marimo RCE Flaw CVE-2026-39987 Exploited Within 10 Hours of Disclosure

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

Critical Marimo Flaw Exploited Hours After Public Disclosure

A threat actor started exploiting CVE-2026-39987, an unauthenticated RCE vulnerability in Marimo, nine hours after public ...