marimo vulnerabilities and fixes

Recent CVEs affecting marimo, with upgrade or downgrade steps. 1 tracked.

marimo has 1 tracked vulnerability, 1 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-04-09. Highest priority: CVE-2026-39987 (score 97/100).

• CVE-2026-39987 CRITICAL 9.8 EXPLOITED UPGRADE Marimo Remote Code Execution Vulnerability

FAQ

How do I fix marimo vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is marimo being exploited right now?

Yes: 1 marimo CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which marimo CVE should I patch first?

CVE-2026-39987 currently ranks highest (97/100): Marimo Remote Code Execution Vulnerability.

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