What is CVE-2026-21885?

CVE-2026-21885 is a medium-severity vulnerability in Miniflux V2, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-01-08.

How severe is CVE-2026-21885?

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

SSRF in Miniflux V2

CVE-2026-21885

Miniflux 2 is an open source feed reader. Prior to version 2.2.16, Miniflux's media proxy endpoint (`GET /proxy/{encodedDigest}/{encodedURL}`) can be abused to perform Server-Side Request Forgery (SSRF). An authenticated user can cause Min…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (17.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Miniflux V2 — versions < 2.2.16
Miniflux_project Miniflux

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21885?: CVE-2026-21885 is a medium-severity vulnerability in Miniflux V2, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-01-08.
How severe is CVE-2026-21885?: Medium severity. CVSS v3 base score is 6.5 out of 10.