CVE-2026-119551
mediumJellyfin through 12.4 contains an authorization bypass vulnerability in SuggestionsController.GetSuggestions that allows authenticated non-administrator users…
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://abraxaslabs.tech/research/jellyfin-suggestions-idor disclosure@vulncheck.com
- https://github.com/jellyfin/jellyfin disclosure@vulncheck.com
- https://github.com/jellyfin/jellyfin/blob/v12.4/Jellyfin.Api/Controllers/SuggestionsContro... disclosure@vulncheck.com
- https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9x85-gx46-6522 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/jellyfin-through-12.4-authorization-bypass-via-get-it... disclosure@vulncheck.com
