CVE-2025-54875

CRITICAL

FreshRSS 1.16.0-1.26.3 - Unauthenticated Privilege Escalation via Hidden Admin Field

Title source: llm
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Exploit, Third Party Advisory, Vendor Advisory x_refsource_confirm
https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-h625-ghr3-jppq

Scores

CVSS v3 9.8
EPSS 0.0048
EPSS Percentile 37.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-284
Status published
Products (1)
freshrss/freshrss 1.16.0 - 1.27.0
Published Sep 29, 2025
Tracked Since Feb 18, 2026