GHSA-xwh2-742g-w3wp: miniflux.app (CVE-2026-21885)

Miniflux Media Proxy SSRF via /proxy endpoint allows access to internal network resources in miniflux.app

CVSS 6.5 MediumEPSS 0.0030 · 23rd percentile

Published by the GitHub Advisory Database at 12 Jan 2026, 17:39 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
miniflux.app	Go	all versions	No fixed version yet
miniflux.app/v2	Go	<2.2.16	2.2.16

Identifiers

GHSA-xwh2-742g-w3wp · CVE-2026-21885 · GO-2026-4287

Weakness (CWE)

CWE-918

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

miniflux.app/v2 before 2.2.16 has a server-side request forgery flaw in its /proxy media proxy endpoint that allows access to internal network resources. The source gives few details on what an attacker needs. Upgrade miniflux.app/v2 to 2.2.16; no fixed version is listed for miniflux.app.

Written 10 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	CNA (GitHub_M)

CISA KEV Not listed.
EPSS 0.0030, the 23rd percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 12 Jan 2026. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.