CVE-2026-75149marimo < 0.23.15 Code Injection via MCP Server Configuration
Updated under an hour ago ()
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It affects marimo-team marimo. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Aug 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
marimo-team marimo marimo_team:marimo (from the name) | before 0.23.15 | CNA record |
References
- https://github.com/marimo-team/marimo/releases/tag/0.23.15release-notes
- https://github.com/marimo-team/marimo/pull/10281issue-tracking
- https://github.com/marimo-team/marimo/commit/1a21bd71e258438d2511136b5edacc94c08855f4patch
- https://www.vulncheck.com/advisories/marimo-code-injection-via-mcp-server-configurationthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.