Marimo RCE Flaw CVE-2026-39987 Exploited Within 10 Hours of Disclosure
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-39987 | Unauthenticated Remote Code Execution in Marimo Python Notebook | 9.3 | 100% | KEVPoC ×8 | KEV |
From the original article
4 min read at thehackernews.com
A critical security vulnerability in Marimo , an open-source Python notebook for data science and analysis, has been exploited within 10 hours of public disclosure, according to findings from Sysdig. The vulnerability in question is CVE-2026-39987 (CVSS score: 9. 3), a pre-authenticated remote code execution vulnerability impacting all versions of Marimo prior to and including 0.
By @TheHackersNews · thehackernews.com
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