Marimo Notebook Flaw Could Run MCP Commands Before Cells Execute in Edit Modehttps://thehackernews.com/2026/08/marimo-notebook-flaw-could-run-mcp.html
Marimo has addressed a high-severity security flaw in its notebook software that allowed an attacker to execute an attacker-supplied Model Context Protocol (MCP) command in a specially crafted notebook, according to VulnCheck's CVE Numbering Authority (CNA) record. The CNA record says the command can run as a local subprocess when the notebook is opened in edit mode. The vulnerability, tracked