{"id":"CVE-2026-75149","title":"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 emb…","summary":"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 emb…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-94"],"published":"2026-08-19","updated":"2026-09-16","sourceUpdated":"2026-09-16T13:42:44.883","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75149","references":[{"url":"https://github.com/marimo-team/marimo/commit/1a21bd71e258438d2511136b5edacc94c08855f4","label":"disclosure@vulncheck.com"},{"url":"https://github.com/marimo-team/marimo/pull/10281","label":"disclosure@vulncheck.com"},{"url":"https://github.com/marimo-team/marimo/releases/tag/0.23.15","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/marimo-code-injection-via-mcp-server-configuration","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00637,"epssPercentile":0.48803,"ingestedAt":"2026-09-16T13:56:12.593Z","slug":"CVE-2026-75149","body":"## Overview\n\nmarimo 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}