Daily Cybersecurity News Roundup – July 7, 2026

Stay updated with the latest cybersecurity news! This daily roundup covers critical vulnerabilities, emerging threats, data breaches, nation-state activities, and AI-driven attacks to help you navigate the rapidly evolving digital threat landscape.

1. Iran-Linked Hackers Deploy New Cavern C2 Framework Against Israeli Organizations

Published: July 6, 2026

An Iranian group affiliated with the Ministry of Intelligence and Security (MOIS), tracked as Cavern Manticore, is using a new modular command-and-control framework called Cavern (or Cav3rn) to target Israeli IT providers and government entities. The .NET-based toolset employs various compilation formats for anti-analysis.

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2. 16-Year-Old Linux KVM Vulnerability (Januscape) Allows Guest-to-Host VM Escape

Published: July 6, 2026

A use-after-free bug in Linux KVM hypervisor (CVE-2026-53359) enables guest VMs to corrupt host kernel shadow-page state on both Intel and AMD systems. Public PoC causes host panic; full code execution is possible. Researchers urge immediate patching.

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3. Threat Actors Quickly Probe Gitea Docker Flaw CVE-2026-20896

Published: July 6, 2026

Just 13 days after disclosure of this critical (CVSS 9.8) flaw in Gitea Docker images—stemming from overly permissive reverse proxy trust—attackers are actively scanning and exploiting it for unauthorized access.

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4. Google and Partners Disrupt NetNut Residential Proxy Network

Published: Early July 2026

A major operation involving Google, FBI, and others dismantled the NetNut (Popa) proxy network, which leveraged ~2 million compromised devices (including Android smart TVs and streaming boxes) for malware C2 and anonymity. Google disabled associated accounts and updated Play Protect.

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5. JadePuffer Ransomware: First Documented Fully AI-Agent Automated Attack

Published: July 4-6, 2026

Sysdig reported what appears to be the first ransomware attack (JadePuffer) executed entirely by a large language model (LLM) agent, automating reconnaissance, exploitation, and other stages via tools like Langflow. Highlights risks of agentic AI in attacks.

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6. CISA Warns of Actively Exploited Microsoft SharePoint RCE Vulnerability

Published: Recent (July 2026 context)

CISA added a deserialization flaw in Microsoft SharePoint Server to its Known Exploited Vulnerabilities catalog. Unpatched servers face sophisticated attacks; immediate patching is critical.

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7. Suspected China-Nexus Campaign Uses Fake Indian Tax Utility to Deploy DcRAT

Published: July 6, 2026

Attackers are spear-phishing Indian taxpayers and finance teams with fake Income Tax Department lures during filing season, delivering the DcRAT remote access trojan for data theft.

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8. North Korean Hackers Target Open Source Developers via PolinRider Supply Chain Attacks

Published: Recent

The PolinRider campaign compromised over 100 legitimate open source packages/repositories to deliver backdoors and info-stealers to developers, showcasing ongoing supply chain risks.

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Stay Vigilant

Cyber threats, especially those leveraging AI, supply chains, and unpatched vulnerabilities, continue to accelerate. Organizations should prioritize patching, monitor for anomalous AI behaviors, strengthen supply chain security, and adopt multi-layered defenses. Subscribe for daily/weekly updates and consider tools for vulnerability management and threat intelligence. Stay safe online!

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