Security
Resources for securing your supply chain, building more secure applications, and staying up-to-date with the latest vulnerability research. Get comprehensive insights into the latest security trends—andnews from the GitHub Security Lab. You can alsocheck out our documentation on code security on GitHub to find out how to keep your code and applications safe.
Featured
Top security researcher shares their bug bounty process
For this year’s Cybersecurity Awareness Month, the GitHub Bug Bounty team is excited to put the spotlight on a talented security researcher—André Storfjord Kristiansen!
How a top bug bounty researcher got their start in security
For this year’s Cybersecurity Awareness Month, the GitHub Bug Bounty team is excited to feature another spotlight on a talented security researcher — @xiridium!
CodeQL zero to hero part 5: Debugging queries
Learn to debug and fix your CodeQL queries.
Kicking off Cybersecurity Awareness Month 2025: Researcher spotlights and enhanced incentives
For this year’s Cybersecurity Awareness Month, GitHub’s Bug Bounty team is excited to offer some additional incentives to security researchers!
Latest
Our plan for a more secure npm supply chain
Addressing a surge in package registry attacks, GitHub is strengthening npm’s security with stricter authentication, granular tokens, and enhanced trusted publishing to restore trust in the open source ecosystem.
Safeguarding VS Code against prompt injections
When a chat conversation is poisoned by indirect prompt injection, it can result in the exposure of GitHub tokens, confidential files, or even the execution of arbitrary code without the user’s explicit consent. In this blog post, we’ll explain which VS Code features may reduce these risks.
How to catch GitHub Actions workflow injections before attackers do
Strengthen your repositories against actions workflow injections — one of the most common vulnerabilities.
Modeling CORS frameworks with CodeQL to find security vulnerabilities
Discover how to increase the coverage of your CodeQL CORS security by modeling developer headers and frameworks.
CVE-2025-53367: An exploitable out-of-bounds write in DjVuLibre
DjVuLibre has a vulnerability that could enable an attacker to gain code execution on a Linux Desktop system when the user tries to open a crafted document.
Understand your software’s supply chain with GitHub’s dependency graph
The GitHub dependency graph maps every direct and transitive dependency in your project, so you can identify risks, prioritize fixes, and keep your code secure.
GitHub Advisory Database by the numbers: Known security vulnerabilities and what you can do about them
Use these insights to automate software security (where possible) to keep your projects safe.
Hack the model: Build AI security skills with the GitHub Secure Code Game
Dive into the novel security challenges AI introduces with the open source game that over 10,000 developers have used to sharpen their skills.
DNS rebinding attacks explained: The lookup is coming from inside the house!
DNS rebinding attack without CORS against local network web applications. Explore the topic further and see how it can be used to exploit vulnerabilities in the real-world.
Inside GitHub: How we hardened our SAML implementation
Maintaining and developing complex and risky code is never easy. See how we addressed the challenges of securing our SAML implementation with this behind-the-scenes look at building trust in our systems.
Bypassing MTE with CVE-2025-0072
In this post, I’ll look at CVE-2025-0072, a vulnerability in the Arm Mali GPU, and show how it can be exploited to gain kernel code execution even when Memory Tagging Extension (MTE) is enabled.
Welcome to Maintainer Month: Events, exclusive discounts, and a new security challenge
This May marks the fifth annual Maintainer Month, and there are lots of treats in store: new badges, special discounts, events with experts, and more.
Cutting through the noise: How to prioritize Dependabot alerts
Learn how to effectively prioritize alerts using severity (CVSS), exploitation likelihood (EPSS), and repository properties, so you can focus on the most critical vulnerabilities first.
How we’re making security easier for the average developer
Security should be native to your workflow, not a painful separate process.
How to request a change to a CVE record
Learn how to identify which CVE Numbering Authority is responsible for the record, how to contact them, and what to include with your suggestion.
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The GitHub Podcast
Catch up on the GitHub podcast, a show dedicated to the topics, trends, stories and culture in and around the open source developer community on GitHub.