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Vendor

jellyfin

22 known vulnerabilities.

jellyfin at a glance

Last 12 months
13
Critical · all time
4
Exploited · all time
0
Public exploit · all time
3
New vulnerabilities per month · last 12 months
0 3 5 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 1 vulnerability, 1 critical Mar April 2026: 4 vulnerabilities, 2 critical May 2026: 0 vulnerabilities June 2026: 4 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 3 vulnerabilities November 2026: 1 vulnerability
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MonthVulnerabilitiesCritical
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Mar 202611
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22 results · Feed

  • High 7.4

    Jellyfin before 12.0 Path Traversal via Library VirtualFolders Endpoints

    Jellyfin before 12.0 contains a path traversal vulnerability in the DELETE /Library/VirtualFolders and POST /Library/VirtualFolders/Name endpoints that allows attackers to delete or move directories via unvalidated library names. Unauthenticated attackers can…

  • Low 3.5

    Jellyfin through 12.4 Information Disclosure via GET /Playlists/{playlistId}

    Jellyfin through 12.4 contains an information disclosure vulnerability in PlaylistsController.GetPlaylist that allows authenticated users to read hidden item IDs by requesting public or shared playlists. Restricted or parental-controlled users can obtain GUID…

  • Medium 6.5

    Jellyfin through 12.4 Authorization Bypass via GET /Items/Suggestions

    Jellyfin through 12.4 contains an authorization bypass vulnerability in SuggestionsController.GetSuggestions that allows authenticated non-administrator users to bypass library and parental restrictions by omitting the userId parameter. Attackers can repeated…

  • High 7.1

    Jellyfin through 12.4 SSRF via Gzip-Compressed Data URI in SVG Profile Images

    Jellyfin through 12.4 contains a server-side request forgery vulnerability that lets authenticated users bypass SvgSecurityValidator by embedding gzip-compressed SVG in non-SVG image data URIs. Attackers can upload such profile images via POST /UserImage, the…

  • Medium 5.7

    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 pot…

  • High 8.8

    Jellyfin: Potential FFmpeg argument injection via unescaped subtitle file path

    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) interpolat…

  • Low 1.7

    Jellyfin: Potential MKV attachment filename path traversal to RCE

    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 attachm…

  • High 8.8

    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…

  • Medium 6.5

    Jellyfin: Potential Application DoS from excessively large SyncPlay group names

    Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a denial of service vulnerability in the SyncPlay group creation endpoint (POST /SyncPlay/New), where an authenticated user can create groups with names of unlimited size d…

  • Critical 9.3

    Jellyfin: Potential SSRF + Arbitrary file read via stream argument injection

    Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain an unauthenticated arbitrary file read vulnerability via ffmpeg argument injection through the StreamOptions query parameter parsing mechanism. The ParseStreamOptions metho…

  • High 8.6

    Jellyfin: Potential SSRF + Arbitrary file read via LiveTV M3U tuner

    Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a vulnerability chain in the LiveTV M3U tuner endpoint (POST /LiveTv/TunerHosts), where the tuner URL is not validated, allowing local file read via non-HTTP paths and Serv…

  • Critical 10.0
    CVE-2026-35031 Public exploit

    Jellyfin: Potential RCE via subtitle upload path traversal + .strm chain

    Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a vulnerability chain in the subtitle upload endpoint (POST /Videos/{itemId}/Subtitles), where the Format field is not validated, allowing path traversal via the file exten…

  • Critical 10.0
    CVE-2026-31852 Public exploit

    Jellyfin Possible Organization/Secret Compromise from dangerous CI implementation

    Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is vulnerable to arbitrary code execution via pull requests from forked repositories. Due to the workflow's elevated permissions (nearly all write p…

  • High 7.6

    Jellyfin Vulnerable to Argument Injection in FFmpeg

    Jellyfin is an open source self hosted media server. Versions before 10.10.7 are vulnerable to argument injection in FFmpeg. This can be leveraged to possibly achieve remote code execution by anyone with credentials to a low-privileged user. This vulnerabilit…

  • Medium 4.6

    Jellyfin Vulnerable to Denial of Service (DoS) via IP Spoofing

    Jellyfin is an open source self hosted media server. In versions 10.9.0 to before 10.10.7, the /System/Restart endpoint provides administrators the ability to restart their Jellyfin server. This endpoint is intended to be admins-only, but it also authorizes r…

  • Medium 4.6

    Privilege escalation to admin from a low-privileged user via SVG upload in Jellyfin

    Jellyfin is an open source self hosted media server. The Jellyfin user profile image upload accepts SVG files, allowing for a stored XSS attack against an admin user via a specially crafted malicious SVG file. When viewed by an admin outside of the Jellyfin W…

  • High 7.2

    Jellyfin Possible Remote Code Execution via custom FFmpeg binary

    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 sha…

  • High 7.7

    Argument Injection in FFmpeg codec parameters in Jellyfin

    Jellyfin is a Free Software Media System for managing and streaming media. In affected versions there is an argument injection in the VideosController, specifically the `/Videos/<itemId>/stream` and `/Videos/<itemId>/stream.<container>` endpoints which are pr…

  • Critical 9.1

    jellyfin-web has a stored cross-site scripting vulnerability in devices.js

    jellyfin-web is the web client for Jellyfin, a free-software media system. Starting in version 10.1.0 and prior to version 10.8.10, a stored cross-site scripting vulnerability in device.js can be used to make arbitrary calls to the `REST` endpoints with admin…

  • High 8.8

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

    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 vul…

  • Medium 5.8
    CVE-2021-29490 Scanner template EPSS 70%

    Unauthenticated GET requests through Remote Image endpoints

    Jellyfin is a free software media system that provides media from a dedicated server to end-user devices via multiple apps. Verions prior to 10.7.3 vulnerable to unauthenticated Server-Side Request Forgery (SSRF) attacks via the imageUrl parameter. This issue…

  • High 7.7
    CVE-2021-21402 Public exploit Scanner template EPSS 79%

    Unauthenticated Arbitrary File Access in Jellyfin

    Jellyfin is a Free Software Media System. In Jellyfin before version 10.7.1, with certain endpoints, well crafted requests will allow arbitrary file read from a Jellyfin server's file system. This issue is more prevalent when Windows is used as the host OS. S…