Dashboard / CVE-2026-75149

CVE-2026-75149

HIGH
MEDIUM Priority: 0.08 BB Relevance: 68/100
Published: 2026-08-19 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Passive
AT: None
VC: High
VI: High
VA: High

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 (1)

Affected Software (1)

VendorProductVersion
marimo-team marimo 0 < 0.23.15

References & Advisories (4)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.7 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.96%
Raw Score 0.009620
Percentile 62.1%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00962
2026-11-12
0.00962
2026-11-10
0.00962
2026-11-09
0.00962
2026-11-08
0.00962

Intelligence Sources

mitre ref →

External Links