VULNERABILITY INTELLIGENCE
CVE-2026-75149
CVSS score8.8 HIGH
EPSS probability0.96%
CISA KEVNot currently listed
Published2026-08-19
Last modified2026-09-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
marimo before 0.23.15 contains a code injection vulnerability in the notebook configuration handler that allows attackers to execute arbitrary commands by supplying a crafted MCP server entry with an attacker-controlled command value embedded in a notebook. When the notebook is opened in edit mode, marimo launches the specified command as a local subprocess before any notebook cell is executed, requiring no authentication or cell execution to trigger the vulnerability.
Weakness classification
- disclosure@vulncheck.com: CWE-94