marimo vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-54386Mediummarimo: marimo contains a reflected cross-site scripting vulnerability in the notebook pageCVE-2026-39987Criticalmarimo: Marimo: Pre-Auth Remote Code Execution via Terminal WebSocket Authentication BypassGHSA-XJV7-6W92-42R7Mediummarimo: marimo vulnerable to proxy abuse of /mpl/{port}/

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