Vulnerability · Published Oct 30, 2026 · Assigned by VulnCheck

CVE-2026-119550Jellyfin through 12.4 Information Disclosure via GET /Playlists/{playlistId}

Low 3.5

In plain English

A low-severity missing authorization in jellyfin from jellyfin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.2%top 87.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
jellyfin	jellyfin	0 – through 12.4

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

References

https://github.com/jellyfin/jellyfin/blob/v12.4/Jellyfin.Api/Controllers/PlaylistsController.cs#L177-L181 technical-description
GitHub Security Advisory (GHSA-9x85-gx46-6522) related, vendor-advisory
https://abraxaslabs.tech/research/jellyfin-playlist-itemids third-party-advisory
https://github.com/jellyfin/jellyfin product
VulnCheck Advisory: Jellyfin through 12.4 Information Disclosure via GET /Playlists/{playlistId} third-party-advisory