CVE-2026-27792

MEDIUM
2026-02-27 [email protected]
5.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch Released
Mar 04, 2026 - 16:49 nvd
Patch available
CVE Published
Feb 27, 2026 - 20:21 nvd
MEDIUM 5.4

Tags

Authentication Bypass Seerr

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.

Analysis

Seerr versions 2.7.0 through 3.0.x contain an authorization bypass in push subscription API endpoints that allows authenticated users to read and modify other users' data due to missing permission checks. An attacker with valid credentials can exploit this to access sensitive information and alter configurations belonging to arbitrary accounts. …

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Remediation

Within 30 days: Identify affected systems running the application starting in and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +27
POC: 0

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CVE-2026-27792 vulnerability details – vuln.today
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