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critical advisory

free5GC NRF NF Registration Poisoning via Input Validation Failure

The free5GC Network Repository Function (NRF) fails to validate NF registration requests against 3GPP TS 29.510 standards, allowing unauthenticated attackers to inject fraudulent network function profiles into the 5G core service mesh.

free5GC 5g-core nrf cve-2026-55068 input-validation
1r 2t 1c