CVE-2025-54875 CRITICAL

CVE-2025-54875: FreshRSS: Unauthorized creation of admin user when registration is enabled

Vendor Freshrss
Product FreshRSS
Weakness CWE-284
Published September 29, 2025
Last update September 30, 2025
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

FreshRSS is a free, self-hostable RSS aggregator. In versions 1.16.0 and above through 1.26.3, an unprivileged attacker can create a new admin user when registration is enabled through the use of a hidden field used only in the user management admin page, new_user_is_admin. This is fixed in version 1.27.0.

Key dates

02Disclosure timeline

September 29, 2025 CVE published
September 30, 2025 Record updated