9.3
/ 10
CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/SC:N/VI:H/SI:N/VA:H/SA:N
Description
CVE-2026-39987 — Marimo Python Notebook Pre-Authenticated Remote Code Execution TL;DR A pre-authenticated remote code execution vulnerability in Marimo, an open-source Python notebook for data science and AI/ML. The terminal WebSocket endpoint...
Basic Information
ID
EB8A9513-5D21-5BA5-9728-9CD3EBC3C87F
Published
Apr 15, 2026 at 08:09
Modified
Apr 15, 2026 at 08:12