CVEvulnerability
CVE-2026-55185
5.1 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-08-21
- Last modified
- 2026-10-12
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.1 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Weaknesses
- CWE-601
Description
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.
Related
Weakness · CWE (1)
- CWE-601 URL Redirection to Untrusted Site weakness
References
- https://github.com/miniflux/v2/commit/c896bafdaa19c3f280b02b1059f84706495f1949 github.com
- https://github.com/miniflux/v2/pull/4362 github.com
- https://github.com/miniflux/v2/releases/tag/2.3.1 github.com
- https://github.com/miniflux/v2/security/advisories/GHSA-m999-j542-5w3r github.com
- https://github.com/miniflux/v2/security/advisories/GHSA-m999-j542-5w3r github.com