{"id":"CVE-2023-48702","aliases":["EUVD-2023-52743","GHSA-rr9h-w522-cvmr"],"status":"published","title":"Jellyfin Possible Remote Code Execution via custom FFmpeg binary","description":"Jellyfin is a system for managing and streaming media. Prior to version 10.8.13, the `/System/MediaEncoder/Path` endpoint executes an arbitrary file using `ProcessStartInfo` via the `ValidateVersion` function. A malicious administrator can setup a network share and supply a UNC path to `/System/MediaEncoder/Path` which points to an executable on the network share, causing Jellyfin server to run the executable in the local context. The endpoint was removed in version 10.8.13.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01196,"percentile":0.68314,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2023-12-13T20:53:28Z","modified":"2026-10-28T02:30:44Z","products":[{"vendor":"jellyfin","product":"jellyfin"}],"references":[{"url":"https://securitylab.github.com/advisories/GHSL-2023-028_jellyfin/","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","advisory"]},{"url":"https://github.com/jellyfin/jellyfin/security/advisories/GHSA-rr9h-w522-cvmr","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/jellyfin/jellyfin/commit/83d2c69516471e2db72d9273c6a04247d0f37c86","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48702.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48702","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-48702","title":"Jellyfin Possible Remote Code Execution via custom FFmpeg binary","description":"Jellyfin is a system for managing and streaming media. Prior to version 10.8.13, the `/System/MediaEncoder/Path` endpoint executes an arbitrary file using `ProcessStartInfo` via the `ValidateVersion` function. A malicious administrator can setup a network share and supply a UNC path to `/System/MediaEncoder/Path` which points to an executable on the network share, causing Jellyfin server to run the executable in the local context. The endpoint was removed in version 10.8.13.","status":"published","published":"2023-12-13T20:53:28.786Z","modified":"2024-08-02T21:37:54.384Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:35:25.866071Z"}],"euvd":[{"id":"EUVD-2023-52743","description":"Jellyfin is a system for managing and streaming media. Prior to version 10.8.13, the `/System/MediaEncoder/Path` endpoint executes an arbitrary file using `ProcessStartInfo` via the `ValidateVersion` function. A malicious administrator can setup a network share and supply a UNC path to `/System/MediaEncoder/Path` which points to an executable on the network share, causing Jellyfin server to run the executable in the local context. The endpoint was removed in version 10.8.13.","status":"published","published":"2023-12-13T20:53:28Z","modified":"2024-08-02T21:37:54Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:49:56.839036Z"}],"nvd":[{"id":"CVE-2023-48702","description":"Jellyfin is a system for managing and streaming media. Prior to version 10.8.13, the `/System/MediaEncoder/Path` endpoint executes an arbitrary file using `ProcessStartInfo` via the `ValidateVersion` function. A malicious administrator can setup a network share and supply a UNC path to `/System/MediaEncoder/Path` which points to an executable on the network share, causing Jellyfin server to run the executable in the local context. The endpoint was removed in version 10.8.13.","status":"published","published":"2023-12-13T21:15:07.847Z","modified":"2026-06-17T06:34:48.277Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:08:54.696438Z"}],"osv":[{"id":"CVE-2023-48702","title":"Jellyfin Possible Remote Code Execution via custom FFmpeg binary","description":"Jellyfin is a system for managing and streaming media. Prior to version 10.8.13, the `/System/MediaEncoder/Path` endpoint executes an arbitrary file using `ProcessStartInfo` via the `ValidateVersion` function. A malicious administrator can setup a network share and supply a UNC path to `/System/MediaEncoder/Path` which points to an executable on the network share, causing Jellyfin server to run the executable in the local context. The endpoint was removed in version 10.8.13.","status":"published","published":"2023-12-13T20:53:28.786Z","modified":"2026-10-28T02:30:44.098481928Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:44:34.72355Z"}]}}