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Date	Provider	Score	Summary
31 Jul 2026, 7:55 PM	The Hacker News	7.0	Researchers Report 84 Flaws in 4G and 5G Cores, Including a Session Hijacking Flaw Researchers from Singapore's Nanyang Technological University disclosed 84 security vulnerabilities across 4G and 5G core network implementations (Open5GS, OpenAirInterface, free5GC, SD-Core, eUPF) in signaling protocols GTP-C and PFCP. The root cause is a shared pattern of implicit trust between core network functions, made worse by cloud-native deployments exposing previously internal interfaces. They used an LLM-assisted multi-agent system called iFinder to categorize known flaws and discover new ones. Why: If you build, operate, or audit telecom infrastructure using any of these open-source LTE/5G cores—several of which back commercial deployments, not just research testbeds—check whether your GTP-C and PFCP interfaces are reachable externally and whether message format, semantics, and resource availability are validated. Malaysian telcos and infrastructure providers moving to cloud-native 5G cores face the same expanded attack surface. security 5g telecom llm-agents vulnerability-research

Date

Provider

Score

Summary

31 Jul 2026, 7:55 PM

The Hacker News

7.0

Researchers Report 84 Flaws in 4G and 5G Cores, Including a Session Hijacking Flaw

Researchers from Singapore's Nanyang Technological University disclosed 84 security vulnerabilities across 4G and 5G core network implementations (Open5GS, OpenAirInterface, free5GC, SD-Core, eUPF) in signaling protocols GTP-C and PFCP. The root cause is a shared pattern of implicit trust between core network functions, made worse by cloud-native deployments exposing previously internal interfaces. They used an LLM-assisted multi-agent system called iFinder to categorize known flaws and discover new ones.

Why: If you build, operate, or audit telecom infrastructure using any of these open-source LTE/5G cores—several of which back commercial deployments, not just research testbeds—check whether your GTP-C and PFCP interfaces are reachable externally and whether message format, semantics, and resource availability are validated. Malaysian telcos and infrastructure providers moving to cloud-native 5G cores face the same expanded attack surface.