CVE•Published 2026-08-19•Modified 2026-09-16•1 article on news•5 live references•NVD data
CVE-2026-75149
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS percentile
49
Exploit Prediction Scoring System · top 51% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2026-08-19
Modified 2026-09-16
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-75149Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-75149Censys host search filtered to this CVE id.
grep.app
CVE-2026-75149Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-75149GitHub code search for direct mentions.
Google dork
"CVE-2026-75149" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.