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CVE-2026-39987: Critical Marimo Python Notebook RCE Exploited Within 10 Hours of Disclosure
Vulnerability

CVE-2026-39987: Critical Marimo Python Notebook RCE Exploited Within 10 Hours of Disclosure

11 April 2026 dark6

A pre-authentication remote code execution flaw (CVSS 9.3) in the Marimo Python notebook framework was weaponized by attackers within just...