{"id":"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.","aliases":["GHSA-9p5f-5x8v-x65m"],"modified":"2026-08-12T03:51:35.507322257Z","published":"2023-04-24T20:06:39.400Z","related":["GHSA-89hp-h43h-r5pq","GHSA-9p5f-5x8v-x65m"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-22"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30626.json"},"references":[{"type":"WEB","url":"https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogController.cs#L44"},{"type":"WEB","url":"https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30626.json"},{"type":"ADVISORY","url":"https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq"},{"type":"ADVISORY","url":"https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30626"},{"type":"FIX","url":"https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7"},{"type":"FIX","url":"https://github.com/jellyfin/jellyfin/pull/5918"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jellyfin/jellyfin","events":[{"introduced":"93941f97281ee04ad27159591bd29316a38e8493"},{"fixed":"2cd29d1cfd5cb2586aab3862e857dc85e0117ca4"},{"fixed":"82ad2633fdfb1c37a158057c7935f83e1129eda7"}],"database_specific":{"cpe":"cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"10.8.0"},{"fixed":"10.8.10"}],"source":["CPE_RANGE","REFERENCES"]}},{"type":"GIT","repo":"https://github.com/jellyfin/jellyfin-web","events":[{"introduced":"e727eed1d10aacb7052ebaada1bf5946368d08fe"},{"fixed":"55714d5341d6bbfdb4d8b0b4c9b6955d4db14f34"}],"database_specific":{"extracted_events":[{"introduced":"10.8.0"},{"fixed":"10.8.10"}],"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:*"}}],"versions":["v10.8.9","v10.8.8","v10.8.7","v10.8.6","v10.8.5","v10.8.4","v10.8.2","v10.8.3","v10.8.1","v10.8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-30626.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}