GHSA-X8MJ-6P3Q-G5PP free5GC NRF nnrf-nfm lacks NF Profile input validation — enables NF Registration Poisoning with arbitrary service endpoints

Summary free5GC NRF Docker image free5gc-fuzz:latest accepts NF registration requests without validating any field constraints against 3GPP TS 29.510, allowing unauthenticated attackers to inject fake NF profiles with arbitrary service endpoint IP addresses. All 17 constraint violations tested UU...

free5GC NRF nnrf-nfm lacks NF Profile input validation — enables NF Registration Poisoning with arbitrary service endpoints

Summary free5GC NRF Docker image free5gc-fuzz:latest accepts NF registration requests without validating any field constraints against 3GPP TS 29.510, allowing unauthenticated attackers to inject fake NF profiles with arbitrary service endpoint IP addresses. All 17 constraint violations tested UU...

CVE-2026-55068

free5GC (open-source 5G core network) version 4.2.2 and earlier is vulnerable to NF Registration Poisoning in the NRF component. The RegisterNFInstance handler (PUT /nnrf-nfm/v1/nf-instances/{nfInstanceID}) accepts NF profile bodies without enforcing 3GPP TS 29.510 constraints for UUID format, nf...