SiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getDynamicIcon

Summary The /api/icon/getDynamicIcon endpoint is explicitly excluded from authentication in SiYuan's kernel router router.go, "不需要鉴权" -- no auth needed. When called with type=8 and a valid block id parameter, this endpoint invokes RenderDynamicIconContentTemplate, which executes a Go template tha...