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CVE-2026-75149— marimo < 0.23.15 Code Injection via MCP Server Configuration

Quick assessment

Affected
marimo-team marimo
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 marimo 版本 0.23.15 之前，笔记本配置处理器中存在代码注入漏洞。攻击者可以通过在笔记本中嵌入一个包含受控命令值的伪造 MCP 服务器条目，来执行任意命令。当笔记本以编辑模式打开时，marimo 会在执行任何笔记本单元格之前，将指定命令作为本地子进程启动。该漏洞无需认证或单元格执行即可触发。

CVSS 8.8 · High EPSS 0.64% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
marimo-team marimo < 0.23.15 affected
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I. Basic Information for CVE-2026-75149

Vulnerability Information
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Vulnerability Title
marimo < 0.23.15 Code Injection via MCP Server Configuration
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
marimo-team marimo 0 ~ 0.23.15 -

II. Public POCs for CVE-2026-75149

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7332 chars
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III. Intelligence Information for CVE-2026-75149

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Patches & Fixes for CVE-2026-75149 (2)

Vendor Advisories for CVE-2026-75149 (1)

Vendor Pages for CVE-2026-75149 (1)

IV. Related Vulnerabilities

Same product: marimo
Same vendor: marimo-team
Same weakness: CWE-94

V. Comments for CVE-2026-75149

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