{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75149","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-08-17T18:39:57.662Z","datePublished":"2026-08-19T17:48:46.525Z","dateUpdated":"2026-08-19T17:48:46.525Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-08-19T17:48:46.525Z"},"title":"marimo < 0.23.15 Code Injection via MCP Server Configuration","descriptions":[{"lang":"en","value":"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."}],"tags":["x_open-source"],"datePublic":"2026-08-19T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-94","description":"Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]}],"affected":[{"defaultStatus":"affected","vendor":"marimo-team","product":"marimo","packageURL":"pkg:github/marimo-team/marimo","repo":"https://github.com/marimo-team/marimo","versions":[{"status":"affected","version":"0","versionType":"semver","lessThan":"0.23.15"}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"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"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","version":"3.1","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}}],"references":[{"url":"https://github.com/marimo-team/marimo/releases/tag/0.23.15","name":"Release Notes"},{"url":"https://github.com/marimo-team/marimo/pull/10281","name":"Pull Request"},{"url":"https://github.com/marimo-team/marimo/commit/1a21bd71e258438d2511136b5edacc94c08855f4","name":"Patch Commit","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/marimo-code-injection-via-mcp-server-configuration","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Gregory Tan (Grg0rry)","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}}}}