Utopia Tech
SecurityAI-assisted1 min read

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

Researchers from Nanyang Technological University have identified 84 security vulnerabilities affecting 4G and 5G core network infrastructure. These flaws could enable attackers to launch denial-of-service attacks and hijack user sessions, representing a widespread security concern for mobile network operators.

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Utopia Tech

July 31, 2026 · 1 min read

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An academic study has disclosed a "widespread class" of security vulnerabilities impacting 4G and 5G core networks that, if successfully exploited, could trigger denial-of-service (DoS) attacks and even session hijacking, allowing an attacker to seize control of a user's network session. The findings have been released by a group of researchers from Singapore's Nanyang Technological University

Originally published at thehackernews.com

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