{"action":"Upgrade marimo to 0.16.4 or later.","affected":[{"fixed":"0.16.4","introduced":"0.9.20"}],"component":"marimo","cve_ids":[],"ecosystem":"PyPI","exploited":false,"fixed_versions":["0.16.4"],"ghsa_id":"GHSA-xjv7-6w92-42r7","id":"tcs_01M5KG4BJZ74BRCT31SDQRSRVE","modified_at":"2026-09-10T03:50:30.470303740Z","published_at":"2025-10-01T21:20:11Z","references":["https://osv.dev/vulnerability/GHSA-xjv7-6w92-42r7","https://github.com/marimo-team/marimo/security/advisories/GHSA-xjv7-6w92-42r7","https://github.com/marimo-team/marimo/commit/0312706d5e594acdb405209b2c8d87c98f46b22b","https://github.com/marimo-team/marimo","https://github.com/marimo-team/marimo/releases/tag/0.16.4","https://marimo-team.notion.site/cve-proxy-without-authentication"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-xjv7-6w92-42r7","url":"https://osv.dev/vulnerability/GHSA-xjv7-6w92-42r7"}],"summary":"marimo vulnerable to proxy abuse of /mpl/{port}/"}