Auth bypass in Freshrss
CVE-2025-62166
FreshRSS is a free, self-hostable RSS aggregator. Prior 1.28.0, a bug in the auth logic related to master authentication tokens, this restriction is bypassed. Usually only the default user's feed should be viewable if anonymous viewing is enabled, and feeds of other users should be private. This vulnerability is fixed in 1.28.0.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Freshrss — versions < 1.28.0
Weakness classification (CWE)
References
- github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w743-fg6g-mhwh (Exploit, Patch, Vendor Advisory)
- github.com/FreshRSS/FreshRSS/pull/8165 (Patch, Issue Tracking)
- github.com/FreshRSS/FreshRSS/commit/60cf5ea297a17db861e73cd65d7b7862bd6bcc24 (Patch)
- github.com/FreshRSS/FreshRSS/releases/tag/1.28.0 (Product, Release Notes)
Frequently asked questions
- What is CVE-2025-62166?
- CVE-2025-62166 is a high-severity vulnerability in Freshrss, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-03-09.
- How severe is CVE-2025-62166?
- High severity. CVSS v3 base score is 7.5 out of 10.