CVE-2026-42083

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, PCF NpcfSMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and disclosure of subscriber SUPI. In NewServer, the smPolicyGroup route group is created and routes are...

Free5GC PCF: Missing authentication middleware in Npcf_SMPolicyControl allows access to SM policy handlers and disclosure of subscriber SUPI

Summary PCF NpcfSMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and disclosure of subscriber SUPI Details In NewServer, the smPolicyGroup route group is created and routes are applied without attaching the router authorization middleware. In...