What is CVE-2025-60538?

CVE-2025-60538 is a medium-severity vulnerability in Go-Shiori Shiori, classified under Authentication Bypass by Spoofing. CVSS score: 6.5/10. Published 2026-01-09.

How severe is CVE-2025-60538?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Go-Shiori Shiori

CVE-2025-60538

A lack of rate limiting in the login page of shiori v1.7.4 and below allows attackers to bypass authentication via a brute force attack.

Published 2026-01-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (33.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.1% 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

Go-Shiori Shiori

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

github.com/go-shiori/shiori (Product)
github.com/go-shiori/shiori/issues/1138 (Issue Tracking)

Frequently asked questions

What is CVE-2025-60538?: CVE-2025-60538 is a medium-severity vulnerability in Go-Shiori Shiori, classified under Authentication Bypass by Spoofing. CVSS score: 6.5/10. Published 2026-01-09.
How severe is CVE-2025-60538?: Medium severity. CVSS v3 base score is 6.5 out of 10.