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CVE-2026-119551— Jellyfin through 12.4 Authorization Bypass via GET /Items/Suggestions

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 及之前版本存在一个授权绕过漏洞，位于 方法中。该漏洞允许已认证的非管理员用户通过省略 参数来绕过库权限和家长控制限制。攻击者可反复调用 接口（不携带 参数），从而枚举受限制的资源，获取其 ID 及服务器文件系统路径，进而进行流媒体播放。

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-119551

Vulnerability Information
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Vulnerability Title
Jellyfin through 12.4 Authorization Bypass via GET /Items/Suggestions
Source: CVE Program / CVE List V5
Vulnerability Description
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 repeatedly call GET /Items/Suggestions without userId to enumerate restricted items, including IDs and server filesystem paths, and then stream them.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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-2026-119551

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III. Intelligence Information for CVE-2026-119551

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Vendor Advisories for CVE-2026-119551 (2)

Vendor Pages for CVE-2026-119551 (1)

Other References for CVE-2026-119551 (1)

Other References for CVE-2026-119551 (1)

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-2026-119550 3.5 LOW Jellyfin through 12.4 Information Disclosure via GET /Playlists/{playlistId}

IV. Related Vulnerabilities

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