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Sonar's latest blog posts
What is Clean Code?
If you’ve followed us for a while, you most likely noticed that we changed the way we describe what we do: from “code quality” to “continuous code inspection,” then “code quality and code security”… to Clean Code.
But what is Clean Code, and what does it encompass?


NodeBB 1.18.4 - Remote Code Execution With One Shot
We recently discovered three interesting code vulnerabilities in NodeBB 1.18.4, allowing attackers to compromise servers. Find out about the details in this article!
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Code Security Advent Calendar 2021
Our code security advent calendar is back for the sixth consecutive year. We will release daily challenges until December 24th, get ready to fill your bag of tricks!
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10 Unknown Security Pitfalls for Python
In this blog post, we share 10 security pitfalls for Python developers that we encountered in real-world projects.
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Agent 008: Chaining Vulnerabilities to Compromise GoCD
We discovered 3 more code vulnerabilities in the popular GoCD CI/CD system that can be chained by attackers to leak or modify internal code. Learn more in this blog post.
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SmartStoreNET - Malicious Message leading to E-Commerce Takeover
Check out the details of a Cross-Site Scripting bug in the BBCode processing in SmartStoreNET and how it can be chained into arbitrary code execution!
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Agent 007: Pre-Auth Takeover of Build Pipelines in GoCD
We recently discovered critical security issues in the popular CI/CD solution GoCD that can be exploited by unauthenticated attackers
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Meet the new project experience for SonarCloud
We are very pleased to announce that we have released a new project experience. It’s now available in SonarCloud for all users. You’ll notice a few improvements the next time you open SonarCloud.
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Squirrel Sandbox Escape allows Code Execution in Games and Cloud Services
We discovered and reported a vulnerability in the Squirrel VM, written in C, that allows an attacker to escape the sandbox.
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Supercharge your C++ analysis with SonarLint for CLion
This article talks about the powerful capabilities of the C++ analyzer with SonarLint and highlights some unique and interesting quality and security rules you might find useful. Through that lens, we demonstrate how you can leverage these rules to elevate your CLion built-in static analysis capabilities for your C++ projects.
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Modernize Code Quality with ‘Quick Fixes’
Boost your productivity by automatically applying fixes to repair code quality issues in your IDE with SonarLint.
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Cachet 2.4: Code Execution via Laravel Configuration Injection
We responsibly disclosed three vulnerabilities in the open-source status page Cachet, allowing attackers to take over instances. Here are all the details!
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