CVE-2026-104459 [MEDIUM] – YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerServ

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to internal hosts. Attackers can POST a crafted actor_handle with a numeric host and port to the abonnements view to probe internal HTTPS services and ports.