DefendEdge Cyber Security Blog
Vulnerability Summary for the Week of April 27, 2026
High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source Info Patch Info n/a– OVMS3 3.3.005 Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length field in GVRET binary data is not properly validated, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via…
Using AI Responsibly: Risks, Incidents, and Controls
Summary AI chatbots, including Claude, ChatGPT, or any other AI-powered chatbot, carry the inherent risk of unauthorized data exposure/loss. Since the introduction of AI chatbots to the public, multiple incidents have occurred that have either directly or indirectly resulted in unwanted data exposure. Non-exhaustive but impactful ways to reduce risk can be with AI usage…
Vulnerability Summary for the Week of April 20, 2026
High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source Info Patch Info Thinkphp–ThinkPHP ThinkPHP 5.0.23 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by invoking functions through the routing parameter. Attackers can craft requests to the index.php endpoint with malicious function parameters to execute system commands with…
Defending Against China-Nexus Covert Networks of Compromised Devices
Defending against china-nexus covert networks of compromised devices executive summary Defending against China-nexus covert networks of compromised devices Explaining the widespread shift in tactics, techniques and procedures (TTPs) towards networks of compromised infrastructure, and how to defend against it Summary With support from the UK Cyber League, this advisory has been jointly released by the…
Vulnerability Summary for the Week of April 13, 2026
High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source Info Patch Info Grafana–Pyroscope Pyroscope is an open-source continuous profiling database. The database supports various storage backends, including Tencent Cloud Object Storage (COS). If the database is configured to use Tencent COS as the storage backend, an attacker could extract the secret_key configuration value from…
Supply Chain Compromise Impacts Axios Node Package Manager
The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this alert to provide guidance in response to the software supply chain compromise of the Axios node package manager (npm).1 Axios is an HTTP client for JavaScript that developers commonly use in Node.js and browser environments. On March 31, 2026, two npm packages for versions axios@1.14.1…
Why America is Cracking Down on Foreign Routers
Routers sit at the doorstep of our homes and small offices, they handle all traffic from Internet of Things (IoTs) to personal emails, family photos and even banking activity. Now, certain routers may be more difficult to obtain for anyone who is looking in the United States. The Federal Communications Commission (FCC) has announced on…
Vulnerability Summary for the Week of April 6, 2026
High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source Info Patch Info nyariv–SandboxJS SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, SandboxJS blocks direct assignment to global objects (for example Math.random = …), but this protection can be bypassed through an exposed callable constructor path: this.constructor.call(target, attackerObject). Because this.constructor resolves to the internal…
Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure
Advisory at a Glance Title Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure Original Publication April 7, 2026 Executive Summary Iran-affiliated advanced persistent threat (APT) actors are conducting exploitation activity targeting internet-facing operational technology (OT) devices, including programmable logic controllers (PLCs) manufactured by Rockwell Automation/Allen-Bradley. This activity has led to PLC disruptions…
Major Web Attacks: The Impact of the Shai-Hulud Worm
The Shai-Hulud Worm: What is it? How is it different? Shai-Hulud is a novel, self‑propagating software supply chain worm that targets the NPM (Node Package Manager) ecosystem and associated development, CI/CD, and cloud-connected environments. Historically, supply chain compromises required a human threat actor to breach a vendor, modify a product or update mechanism, and then…