CVE-2026-119551
Jellyfin through 12.4 Authorization Bypass via GET /Items/Suggestions
- State
- Published
- Severity
- 7.1 High
- Published
- Oct 30, 2026
- Updated
- Oct 30, 2026
- Reserved
- Oct 30, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
jellyfinjellyfin |
|
References
- https://github.com/jellyfin/jellyfin/blob/v12.4/Jellyfin.Api/Controllers/SuggestionsController.cs#L70-L95technical-description
- GitHub Security Advisory (GHSA-9x85-gx46-6522)relatedvendor-advisory
- https://abraxaslabs.tech/research/jellyfin-suggestions-idorthird-party-advisory
- https://github.com/jellyfin/jellyfinproduct
- VulnCheck Advisory: Jellyfin through 12.4 Authorization Bypass via GET /Items/Suggestionsthird-party-advisory
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