Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure due to improper handling of the supi path parameter in the DELETE sdm-subscriptions request. An attacker can cause the service to return an unexpected error response by sending a request with an empty supi parameter...

CVE-2026-33065 free5GC UDM incorrectly returns 500 for empty supi path parameter in DELETE sdm-subscriptions request

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling DELETE requests with an empty supi path parameter. This leak...