Vulnerability · Published Oct 30, 2026 · Assigned by VulnCheck

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

Medium 6.5

In plain English

A medium-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 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.3%top 75.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

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:N/S:U/C:H/I:N/A:N

References

https://github.com/jellyfin/jellyfin/blob/v12.4/Jellyfin.Api/Controllers/SuggestionsController.cs#L70-L95 technical-description
GitHub Security Advisory (GHSA-9x85-gx46-6522) related, vendor-advisory
https://abraxaslabs.tech/research/jellyfin-suggestions-idor third-party-advisory
https://github.com/jellyfin/jellyfin product
VulnCheck Advisory: Jellyfin through 12.4 Authorization Bypass via GET /Items/Suggestions third-party-advisory