marimo security

About this tag
The marimo security tag covers discussions about vulnerabilities and threats affecting the Marimo Python notebook environment, particularly in data science and AI workflows. A key topic is CVE-2026-39987, a pre-authentication remote code execution flaw that CISA added to its Known Exploited Vulnerabilities catalog due to active exploitation. This highlights the urgency of patching Marimo instances, as the risk is not theoretical. Content under this tag focuses on real-world security issues, CISA alerts, and defensive actions for Marimo users, especially those in enterprise or research settings where the tool is deployed.

  1. CISA KEV Update: CVE-2026-39987 Marimo Pre-Auth RCE Now Actively Exploited

    CISA’s April 23, 2026 update to its Known Exploited Vulnerabilities Catalog is a reminder that the most dangerous security problems are often the ones attackers have already operationalized. This time, the agency added a single entry: CVE-2026-39987, a Marimo remote code execution vulnerability...
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    • cisa kev marimo security remote code execution vulnerability remediation
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    • Forum: Security Alerts