{"action":"Upgrade nicegui to 3.4.0 or later.","affected":[{"fixed":"3.4.0","introduced":"0"}],"component":"nicegui","cve_ids":["CVE-2025-66645"],"ecosystem":"PyPI","epss":0.01201,"exploited":false,"fixed_versions":["3.4.0"],"ghsa_id":"GHSA-hxp3-63hc-5366","id":"tcs_01M5KFMR4V1NS2BJQ0N5TAHE8K","modified_at":"2026-07-07T17:57:24.907008336Z","published_at":"2025-12-09T14:25:15Z","references":["https://osv.dev/vulnerability/GHSA-hxp3-63hc-5366","https://github.com/zauberzeug/nicegui/security/advisories/GHSA-hxp3-63hc-5366","https://nvd.nist.gov/vuln/detail/CVE-2025-66645","https://github.com/zauberzeug/nicegui/commit/a1b89e2a24e1911a40389ace2153a37f4eea92a9","https://github.com/zauberzeug/nicegui"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-hxp3-63hc-5366","url":"https://osv.dev/vulnerability/GHSA-hxp3-63hc-5366"}],"summary":"NiceGUI has a path traversal in app.add_media_files() allows arbitrary file read"}