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.

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 ...
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 ...
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 ...