Authorization Bypass in Jellyfin Allows Restricted Access to Non-Admin Users
CVE-2026-119551

7.1HIGH

Key Information:

Vendor

Jellyfin

Status
Jellyfin
Vendor
CVE Published:
30 October 2026

What is CVE-2026-119551?

Jellyfin versions up to 12.4 contain a vulnerability in the SuggestionsController.GetSuggestions endpoint, allowing authenticated non-administrator users to bypass defined library and parental controls. By omitting the userId parameter in requests to GET /Items/Suggestions, attackers can exploit this flaw to enumerate restricted items. This includes sensitive information such as IDs and filesystem paths on the server, potentially leading to unauthorized streaming of restricted content.

Affected Version(s)

jellyfin 0 <= 12.4

References

https://github.com/jellyfin/jellyfin/blob/v12.4/Jellyfin....
technical-description
https://github.com/jellyfin/jellyfin/security/advisories/...
relatedvendor-advisory
https://abraxaslabs.tech/research/jellyfin-suggestions-idor
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abraxas Labs
.