The latest blogs from GitHub

What is CORS and how can a CORS misconfiguration lead to security issues? In this blog post, we’ll describe some common CORS issues as well as how you can find and fix them.

Every minute, GitHub blocks several secrets with push protection—but secret leaks still remain one of the most common causes of security incidents. Learn how GitHub is making it easier to protect yourself from exposed secrets, including today’s launches of standalone Secret Protection, org-wide scanning, and better access for teams of all sizes.

Learn how to write effective prompts and troubleshoot results in this installment of our GitHub for Beginners series.

With these actions, you can keep your open source projects organized, minimize repetitive and manual tasks, and focus more on writing code.

Go beyond status updates and use these meetings to surface challenges, solve problems, and drive impact.

Discover the differences between agent mode and Copilot Edits with GitHub Copilot—and when to use them in your workflows.

A step-by-step guide for open source maintainers on how to handle vulnerability reports confidently from the start.

A look into building IssueOps workflows on GitHub to do everything from CI/CD to handling approvals and more.

Get the most out of Copilot with code completion, inline chat, slash commands, Copilot code review, and more.

The open source Git project just released Git 2.49. Here is GitHub’s look at some of the most interesting features and changes introduced since last time.

Strategies to quickly get up to speed, whether you’re a seasoned engineer or a newcomer to the field.

Critical authentication bypass vulnerabilities (CVE-2025-25291 + CVE-2025-25292) were discovered in ruby-saml up to version 1.17.0. In this blog post, we’ll shed light on how these vulnerabilities that rely on a parser differential were uncovered.

In February, we experienced two incidents that resulted in degraded performance across GitHub services.

For 30 years, Java has been a cornerstone of enterprise software development. Here’s why—and how to learn Java.

Treating exposures as full and complete can help you respond more effectively to focus on what truly matters: securing systems, protecting sensitive data, and maintaining the trust of stakeholders.

Three maintainers talk about how they fostered their open source communities.

GitHub Copilot isn’t just for developers! Discover how product managers, security professionals, scrum masters, and more use GitHub Copilot to streamline tasks, automate workflows, and boost productivity across teams.

Passwords are notoriously difficult to detect with conventional programming approaches. AI can help us find passwords better because it understands context. This blog post will explore the technical challenges we faced with building the feature and the novel and creative ways we solved them.