CVE-2026-119550

medium

Description

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 GUIDs of inaccessible library items from unfiltered playlist ItemIds and then stream that hidden media.

References

https://www.vulncheck.com/advisories/jellyfin-through-12.4-information-disclosure-via-get-playlists-playlistid

https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9x85-gx46-6522

https://github.com/jellyfin/jellyfin/blob/v12.4/Jellyfin.Api/Controllers/PlaylistsController.cs#L177-L181

https://github.com/jellyfin/jellyfin

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113815

https://abraxaslabs.tech/research/jellyfin-playlist-itemids

Details

Source: Mitre, NVD

Published: 2026-10-30

Updated: 2026-10-30

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 3.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Severity: Low

CVSS v4

Base Score: 5.1

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00222