Vulnerability · Published Sep 29, 2025 · Assigned by GitHub_M

CVE-2025-54591FreshRSS: Unauthenticated users can view default user's information

High 7.5

In plain English

A high-severity improper access control in FreshRSS from FreshRSS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.4%top 62.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below expose information about feeds and tags of default admin users, due to lack of access checking in the FreshRSS_Auth::hasAccess() function used by some of the tag/feed related endpoints. FreshRSS controllers usually have a defined firstAction() method with an override to make sure that every action requires access. If one doesn't, then every action has to check for access manually, and certain endpoints use neither the firstAction() method, or do they perform a manual access check. This issue is fixed in version 1.27.0.

Affected products (as reported)

Vendor	Product	Versions
FreshRSS	FreshRSS	< 1.27.0

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-jf4v-f8p2-8xvq x_refsource_CONFIRM
https://github.com/FreshRSS/FreshRSS/pull/7768 x_refsource_MISC
https://github.com/FreshRSS/FreshRSS/releases/tag/1.27.0 x_refsource_MISC