free5GC UDM incorrectly returns 500 for empty supi path parameter in PATCH sdm-subscriptions reques

Impact This is an Improper Error Handling vulnerability with Information Exposure implications, combined with an HTTP Method Translation issue. - Security Impact: The UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling PATCH requests with ...

GHSA-958M-GXMC-MCCM free5GC UDM incorrectly returns 500 for empty supi path parameter in DELETE sdm-subscriptions request

Impact This is an Improper Error Handling vulnerability with Information Exposure implications. - Security Impact: 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 leaks intern...

PT-2026-26187

Name of the Vulnerable Software and Affected Versions Free5GC versions prior to 1.4.2 Description The UDM component in Free5GC incorrectly handles DELETE requests with an empty supi path parameter. Specifically, when a client sends a DELETE request with an empty supi e.g., double slashes // in th...