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CVE-2026-39987: Marimo RCE Exploited to Breach SSH Bastion

This story is from 2026-09-19. It is preserved in the archive; the latest stories are on the live feed.

Forensic Summary A skilled human attacker exploited CVE-2026-39987, a pre-authenticated RCE vulnerability in the Marimo notebook platform, pivoting from initial access to an SSH bastion host in just eight seconds using hand-crafted Python tooling. Sysdig's research highlights that expert human oper…

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  1. 2026-09-19 02:30 · DEV Community — AI
    CVE-2026-39987: Marimo RCE Exploited to Breach SSH Bastion

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