CVE-2026-27792

Seerr missing authentication on pushSubscription endpoints

Published Feb 27, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby. A missing authorization vulnerability has been identified in the application starting in version 2.7.0 and prior to version 3.1.0. It allows authenticated users to access and modify data belonging to other users. This issue is due to the absence of the `isOwnProfileOrAdmin()` middleware on several push subscription API routes. Version 3.1.0 fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Seerr
Seerr seerr
CPEs cpe:2.3:a:seerr:seerr:*:*:*:*:*:*:*:*
Vendors & Products Seerr
Seerr seerr
Type Values Removed Values Added
First Time appeared Seerr-team
Seerr-team seerr
Vendors & Products Seerr-team
Seerr-team seerr
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby. A missing authorization vulnerability has been identified in the application starting in version 2.7.0 and prior to version 3.1.0. It allows authenticated users to access and modify data belonging to other users. This issue is due to the absence of the `isOwnProfileOrAdmin()` middleware on several push subscription API routes. Version 3.1.0 fixes the issue.
Title Seerr missing authentication on pushSubscription endpoints
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Feb 27, 2026, 8:19 PM
Reserved
Feb 24, 2026, 2:31 AM
Status
Analyzed
Published
Feb 27, 2026, 8:21 PM
Modified
Jun 17, 2026, 10:27 AM