HIGHVulnerability
CVE-2026-75149
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.
Properties
- severity
- HIGH
- score
- 8.8
- cve_id
- CVE-2026-75149
- signal_observed_at
- 2026-09-16T17:34:18+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- published_at
- 2026-08-19T18:17:26.080
- last_modified
- 2026-09-16T13:42:44.883
Related Entities (2)
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (1)
→[Weakness]Improper Control of Generation of Code ('Code Injection')
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