v0.345.1: SECURITY — cloudflared 2026.10.3 (Cloudflare's eMudhra notice, 2026-10-20)

Built from v0.345.0 (6bfb784) + this commit only. infra.CloudflaredImage 2026.9.3 -> 2026.10.3;
TestEnsureCloudflared_ANewImageRecreatesTheTunnel pins that an image-only change recreates the
running tunnel (red-proved). MinAgent 0.158.1 unchanged.

controller/internal/infra/infra.go

@@ -20,10 +20,12 @@ import (
 )
 
 // Pinned image tags — NEVER ":latest" (a floating tag breaks reproducible golden bakes and lets the
-// deployed version drift). Verified to resolve on Docker Hub before baking.
+// deployed version drift). Verified to resolve on Docker Hub before baking. cloudflared follows Cloudflare's security
+// notices (felhom.eu `01` „Tunnel placement"): 2026.10.3 since the notice of 2026-10-20 — before 2026.10.2 the image
+// trusts eight eMudhra (emSign) intermediates with weak keys.
 const (
 	TraefikImage     = "traefik:v3.7.13"
-	CloudflaredImage = "cloudflare/cloudflared:2026.9.3"
+	CloudflaredImage = "cloudflare/cloudflared:2026.10.3"
 	FileBrowserImage = "gtstef/filebrowser:1.5.6-stable"
 	// FileBrowserImportMount is the in-container mount point NAME for the canonical drop-zone
 	// (R-75): the bind lands at /srv/<this>. ASCII and space-free on purpose — it appears in a