CVE-2023-30626

Dashboard / Vulnerabilities / CVE-2023-30626

CVE-2023-30626

Summary: Jellyfin vulnerable to directory traversal and file write causing arbitrary code execution

Details: Jellyfin is a free-software media system. Versions starting with 10.8.0 and prior to 10.8.10 and prior have a directory traversal vulnerability inside the `ClientLogController`, specifically `/ClientLog/Document`. When combined with a cross-site scripting vulnerability (CVE-2023-30627), this can result in file write and arbitrary code execution. Version 10.8.10 has a patch for this issue. There are no known workarounds.

References: https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogController.cs#L44, https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30626.json, https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq, https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m, https://nvd.nist.gov/vuln/detail/CVE-2023-30626, https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7, https://github.com/jellyfin/jellyfin/pull/5918