Tech Security News – GreavesNet.com

Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

Measuring the Tendency of AI Agents to Go Rogue

Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

Coordinated Cyberattack Targets 30+ Minnesota Water Systems as One Plant Goes Offline

Nine-Year Fraud Campaign Clones Russian Company Sites to Steal Advance Payments

Mythos Asks the Right Question. It Doesn’t Answer It.

Researchers Show a Single Malicious Webpage Visit Can Compromise Tor Browser

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

July 29, 2026

Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted...

AI

Measuring the Tendency of AI Agents to Go Rogue

July 29, 2026

This essay was written with Barath Raghavan, and originally appeared in The Guardian. In July, Hugging Face, a company that hosts much of the world’s...

Hacking news

Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

July 29, 2026

Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo, an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result in...

Hacking news

Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

July 29, 2026

Broadcom has released security updates to address multiple security flaws impacting VMware ESX, vCenter, Workstation, and Fusion, three of which have been designated as critical...

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

July 29, 2026

AI

Measuring the Tendency of AI Agents to Go Rogue

July 29, 2026

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Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

July 29, 2026

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Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

July 29, 2026

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

July 29, 2026

AI

Measuring the Tendency of AI Agents to Go Rogue

July 29, 2026

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Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

July 29, 2026

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Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

July 29, 2026

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Coordinated Cyberattack Targets 30+ Minnesota Water Systems as One Plant Goes Offline

July 29, 2026

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

July 29, 2026

Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted...

AI

Measuring the Tendency of AI Agents to Go Rogue

July 29, 2026

This essay was written with Barath Raghavan, and originally appeared in The...

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Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

July 29, 2026

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Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

July 29, 2026

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Coordinated Cyberattack Targets 30+ Minnesota Water Systems as One Plant Goes Offline

July 29, 2026

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

July 29, 2026

AI

Measuring the Tendency of AI Agents to Go Rogue

July 29, 2026

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Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

July 29, 2026

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Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

July 29, 2026

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

July 29, 2026

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Measuring the Tendency of AI Agents to Go Rogue

July 29, 2026

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Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

July 29, 2026

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Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

July 29, 2026

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Coordinated Cyberattack Targets 30+ Minnesota Water Systems as One Plant Goes Offline

July 29, 2026

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

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Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted...

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Nine-Year Fraud Campaign Clones Russian Company Sites to Steal Advance Payments

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Cybersecurity researchers have disclosed details of a large-scale fraud campaign that involves creating lookalike websites of major Russian companies with an aim to siphon funds...

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

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Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files...

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Measuring the Tendency of AI Agents to Go Rogue

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

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Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted...

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Measuring the Tendency of AI Agents to Go Rogue

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This essay was written with Barath Raghavan, and originally appeared in The Guardian. In July, Hugging Face, a company that hosts much of the world’s...

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Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

July 29, 2026

Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo, an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result in...

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Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

July 29, 2026

Broadcom has released security updates to address multiple security flaws impacting VMware ESX, vCenter, Workstation, and Fusion, three of which have been designated as critical...

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Coordinated Cyberattack Targets 30+ Minnesota Water Systems as One Plant Goes Offline

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A coordinated cyberattack targeted operational technology at more than 30 Minnesota community water systems on July 26 and 27, triggering a statewide cybersecurity response. Braham,...

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

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