CVE-2026-49247

Jellyfin is an open source self hosted media server. From 10.9.0 until 10.11.10, the POST /ClientLog/Document endpoint accepts the Authorization header's Client and Version fields and uses them unsanitized as components of the on-disk filename when persisting client-uploaded log documents. As a...

Directory Traversal

Overview Jellyfin.Common is an a Free Software Media System that puts you in control of managing and streaming your media. Affected versions of this package are vulnerable to Directory Traversal via the POST /ClientLog/Document endpoint, which uses unsanitized values from the Authorization header...

CVE-2026-49247 Jellyfin: Potential Authenticated path traversal in /ClientLog/Document

Jellyfin is an open source self hosted media server. From 10.9.0 until 10.11.10, the POST /ClientLog/Document endpoint accepts the Authorization header's Client and Version fields and uses them unsanitized as components of the on-disk filename when persisting client-uploaded log documents. As a...