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

Quick assessment

Affected
jellyfin jellyfin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Jellyfin 12.4 及更早版本存在信息泄露漏洞，位于 PlaylistsController.GetPlaylist 方法中。该漏洞允许已认证用户通过请求公开或共享播放列表，读取隐藏项目的 ID。受限用户或受家长控制的用户可从未过滤的播放列表 ItemIds 中获取无法访问的库项目的 GUID，进而流式播放这些被隐藏的媒体内容。

CVSS 3.5 · Low

Possible ATT&CK Techniques 1 AI

T1040 · Network Sniffing

Affected Version Matrix 1

VendorProduct Version RangeStatus
jellyfin jellyfin ≤ 12.4 affected
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I. Basic Information for CVE-2026-119550

Vulnerability Information
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Vulnerability Title
Jellyfin through 12.4 Information Disclosure via GET /Playlists/{playlistId}
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
jellyfin jellyfin 0 ~ 12.4 -

II. Public POCs for CVE-2026-119550

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III. Intelligence Information for CVE-2026-119550

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Vendor Advisories for CVE-2026-119550 (2)

Security Blog Posts for CVE-2026-119550 (1)

Vendor Pages for CVE-2026-119550 (2)

Same Patch Batch · jellyfin · 2026-10-30 · 3 CVEs total

CVE-2026-119549 7.1 HIGH Jellyfin through 12.4 SSRF via Gzip-Compressed Data URI in SVG Profile Images
CVE-2026-119551 6.5 MEDIUM Jellyfin through 12.4 Authorization Bypass via GET /Items/Suggestions

IV. Related Vulnerabilities

Same product: jellyfin
Same vendor: jellyfin
Same weakness: CWE-862