CVE-2026-21885 Miniflux Media Proxy SSRF via /proxy endpoint allows access to internal network resources

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 Miniflux to generate a signed proxy URL for attacker-chosen media URLs...