CVE-2021-21402-Jellyfin

CVE-2021-21402-Jellyfin Arbitrary File Read This POC is for learning and communication only. I am not responsible for any consequences arising from its use. python POC.py targets.txt...

CVE-2021-21402

CVE-2021-21402 CVE-2021-21402 Jellyfin arbitrary file read Wker script, batchable. The logic is very simple, it checks for the existence of win.ini via GET: define payload = /Audio/1/hls/..%5C..%5C..%5C..%5C..%5C..%5CWindows%5Cwin.ini/stream.mp3/ define info = CVE-2021-21402 Jellyfin任意文件读取 functi...

CVE-2026-35031

CVE-2026-35031: Jellyfin Subtitle Upload Path Traversal to RCE -darkred?style=flat-square -orange?style=flat-square TL;DR A critical path traversal vulnerability in Jellyfin Media Server allows authenticated users with "Upload Subtitles" permission to upload files to arbitrary locations on disk. ...

gha-lab-3f1ff30e9c

Automated research artifact — not the upstream project. This repository is a disposable lab built by an automated harness for a master's thesis at Université Laval on reproducing published GitHub Actions workflow vulnerabilities. It is a verbatim snapshot of jellyfin/jellyfin-ios at commit...

Jellyfin <10.7.0 - Local File Inclusion

Jellyfin before 10.7.0 is vulnerable to local file inclusion. This issue is more prevalent when Windows is used as the host OS. Servers exposed to public Internet are potentially at risk. id: CVE-2021-21402 info: name: Jellyfin 10.7.0 - Local File Inclusion author: dwisiswant0 severity: medium...

Jellyfin 10.7.2 - Server Side Request Forgery

Jellyfin is a free software media system. Versions 10.7.2 and below are vulnerable to unauthenticated Server-Side Request Forgery SSRF attacks via the imageUrl parameter. id: CVE-2021-29490 info: name: Jellyfin 10.7.2 - Server Side Request Forgery author: alph4byt3 severity: medium description: |...

CVE-2021-21402

CVE-2021-21402 Jellyfin Arbitrary File Read Vulnerability Overview Jellyfin is a free software media system that controls and manages media and streaming. It is an alternative to Emby and Plex, delivering media from a dedicated server to end-user devices through multiple applications. Jellyfin...

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...

CVE-2026-49220

Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyfin which can allow a non-privileged user to execute arbitrary Javascript in the context of a logged-in Administrative user, resulting in numerous potential issues. The Client header durin...

CVE-2026-49246

Jellyfin is an open source self hosted media server. Prior to 10.11.10, a specifically crafted MKV file containing forged filename tags can be leveraged to exploit missing path sanitization during playback. Jellyfin treats the MKV file name tag on MKV attachments as trusted and passes it...

CVE-2026-48793

Jellyfin is an open source self hosted media server. Prior to 10.11.10, a potential FFmpeg argument injection vulnerability exists in the subtitle conversion code path. SubtitleEncoder.ConvertTextSubtitleToSrtInternal SubtitleEncoder.cs, line 382 interpolates the subtitle file path into FFmpeg...

Arbitrary Argument Injection

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 Arbitrary Argument Injection via the SubtitleEncoder.ConvertTextSubtitleToSrtInternal process. An attacker can achieve...

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...

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 PathManager.GetAttachmentPath process. An attacker can achieve remote code execution by crafti...

CVE-2026-49220 Jellyfin: Potential XSS in user management

Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyfin which can allow a non-privileged user to execute arbitrary Javascript in the context of a logged-in Administrative user, resulting in numerous potential issues. The Client header durin...

EUVD-2026-39031

Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyfin which can allow a non-privileged user to execute arbitrary Javascript in the context of a logged-in Administrative user, resulting in numerous potential issues. The Client header durin...

CVE-2026-49220 Jellyfin: Potential XSS in user management

Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyfin which can allow a non-privileged user to execute arbitrary Javascript in the context of a logged-in Administrative user, resulting in numerous potential issues. The Client header durin...

CVE-2026-49220 Jellyfin: Potential XSS in user management

Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyfin which can allow a non-privileged user to execute arbitrary Javascript in the context of a logged-in Administrative user, resulting in numerous potential issues. The Client header durin...

CVE-2026-49220

Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyfin which can allow a non-privileged user to execute arbitrary Javascript in the context of a logged-in Administrative user, resulting in numerous potential issues. The Client header durin...

CVE-2026-48793

Jellyfin is affected by CVE-2026-48793 prior to version 10.11.10. The issue arises in the subtitle conversion path where SubtitleEncoder.ConvertTextSubtitleToSrtInternal interpolates the subtitle file path into FFmpeg command-line arguments without normalizing the path, allowing injection of arbi...