CVE-2026-39987

Pierluigi Paganini April 11, 2026
CVE-2026-39987: Marimo RCE exploited in hours after disclosure

A critical flaw, tracked as CVE-2026-39987, in the open-source Python notebook tool Marimo was exploited within 10 hours of disclosure. A critical flaw in Marimo, tracked as CVE-2026-39987 (CVSS score of 9.3) was exploited just 10 hours after disclosure (On April 8, 2026). Sysdig Threat Research Team observed exploitation of the Marimo flaw within 9 […]