CVE-2026-42459

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the free5GC UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the SUPI...

CVE-2026-42459

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the free5GC UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the SUPI...

CVE-2026-42459 free5GC: Improper Input Validation and Generation of Error Message Containing Sensitive Information in github.com/free5gc/udm

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the free5GC UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the SUPI...

CVE-2026-42459

CVE-2026-42459 documents an improper input validation flaw in free5GC UDM: the SDM (nudm-sdm) service does not validate the SUPI parameter in six GET handlers, allowing an unauthenticated attacker to inject control characters into SUPI. This can cause UDM to forward a malformed URL to UDR and ret...

GHSA-585V-HCGF-JHFR Free5GC UDM has Improper Input Validation and Generation of Error Messages Containing Sensitive Information

Summary The free5GC UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the SUPI parameter, causing UDM to forward a malformed request to UDR and return a 500...

PT-2026-38370

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the...