CVE-2025-54875: Freshrss

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Freshrss Freshrss: from 1.16.0, before 1.27.0 (fixed in 1.27.0)

Published 2025-09-29. Last modified 2026-06-17.