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CVE-2026-75149: Marimo Notebook MCP Code Injection Flaw

This story is from 2026-08-27. It is preserved in the archive; the latest stories are on the live feed.

Forensic Summary A high-severity code injection vulnerability (CVE-2026-75149) in Marimo notebook software allowed attackers to embed malicious Model Context Protocol (MCP) server commands in crafted notebooks, triggering local subprocess execution before any user cell runs. The flaw, scoring 8.8 o…

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  1. 2026-08-27 02:30 · DEV Community — AI
    CVE-2026-75149: Marimo Notebook MCP Code Injection Flaw

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