miniflux: Miniflux 2 is an open source feed reader
CVE-2026-55185 is fixed in 2 products on 1 platform, first by OPENSUSE-SU-2026:21483-1, released July 30, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Miniflux 2 is an open source feed reader. Prior to 2.3.1, IsRelativePath in internal/urllib/url.go accepts redirect targets containing backslashes because Go URL parsing treats them as path characters. Browser backslash normalization converts them to forward slashes. An unauthenticated attacker can provide such a redirect_url value to the login flow, bypass the relative-path and host checks, and redirect a victim to an attacker-controlled external site. This issue is fixed in version 2.3.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| govulncheck-vulndb · opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | OPENSUSE-SU-2026:21483-1 | Jul 30, 2026 |
| miniflux · Debian 14 | 2.3.2-1 | DEBIAN-CVE-2026-55185 | Aug 22, 2026 |
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