The vulnerability of the NRF RegisterNFInstance handler of the 5G mobile communication network organization software free5GC allows a attacker to gain unauthorized access to protected information.

The vulnerability of the NRF RegisterNFInstance handler in the software for fifth-generation mobile communication networks 5G, free5GC, is related to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to gain unauthorized access to protected informati...

CVE-2026-55068

free5GC is an open-source implementation of the 5G core network. In 4.2.2 and earlier, the NRF RegisterNFInstance handler at PUT /nnrf-nfm/v1/nf-instances/nfInstanceID accepts NF Profiles without enforcing UUID format, nfStatus enum values, heartBeatTimer ranges, mandatory profile fields, or...