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

Critical 9.8 Published Updated

An attacker can create an admin user via a hidden field when registration is enabled, leading to full administrative control.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-54875?

CVE-2025-54875 is a critical vulnerability in FreshRSS, published on 29 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-284

Which versions are affected by CVE-2025-54875?

It affects 1 product.

Products include Freshrss Freshrss.

How do I fix CVE-2025-54875?

No fix has been published for CVE-2025-54875 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-54875 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-54875 exists.

Sources

Also known as GHSA-h625-ghr3-jppq.

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