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#CVE-2026-39987

CVE-2026-39987: Marimo RCE Zero-Day Exploited Within 10 Hours of Disclosure — 662 Attacks Recorded

17 April 2026  |  dark6  |  Vulnerability

A critical unauthenticated RCE vulnerability in the Marimo Python notebook framework (CVE-2026-39987) was actively exploited just 10 hours after public disclosure. Sysdig recorded 662 exploit events over four...

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Critical Marimo Python Notebook Zero-Day (CVE-2026-39987) Exploited Within 10 Hours of Disclosure

14 April 2026  |  dark6  |  Vulnerability

A critical pre-authentication RCE vulnerability (CVE-2026-39987, CVSS 9.3) in the popular Marimo Python notebook platform was weaponised within 10 hours of public disclosure. Attackers are actively harvesting credentials,...

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

11 April 2026  |  dark6  |  Vulnerability

A pre-authentication remote code execution flaw (CVSS 9.3) in the Marimo Python notebook framework was weaponized by attackers within just 10 hours of public disclosure. The vulnerability allows...

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