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الأمن السيبراني قيد التحليل بانتظار التحليل الذكي The Hacker News 31 تموز 2026, 04:55

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

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

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

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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

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Attackers Exploit SharePoint Authentication Bypass After Public PoC Release الأمن السيبراني

Attackers Exploit SharePoint Authentication Bypass After Public PoC Release

Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept (PoC) code. The vulnerability in question is CVE-2026-55040 (CVSS score: 9.1), which refers to a critical security feature bypass that stems from weak authentication. It was patched by Microsoft as part of its July 2026 Patch Tuesday updates. "The authentication

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737 Chrome VPN Extensions Caught Routing Traffic Through Proxies. Check If You Have One

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OpenAI, Anthropic, Google API Flaw Let Weaker AI Models Decode Stronger Models' Reasoning الأمن السيبراني

OpenAI, Anthropic, Google API Flaw Let Weaker AI Models Decode Stronger Models' Reasoning

A newly disclosed flaw in the way OpenAI, Anthropic, and Google carried hidden AI reasoning between API calls let researchers recover internal reasoning and secrets from session logs, including API keys and passwords. The weakness affected encrypted reasoning objects used by the providers' reasoning APIs, where a block created in one session could be replayed into another and, during testing,

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