GitHub discovered a hacker accessed code from around 3,800 of its internal projects. The hacker compromised an employee’s computer with a malicious plugin, which is concerning for the crypto community because some API keys were stored within the stolen code.
Changpeng Zhao, the founder of Binance, is urging developers to thoroughly review all their projects for accidentally exposed private keys and replace them. He warns that even code kept in private repositories should now be considered potentially public.
What The Company Disclosed
GitHub reported that the security incident started when an employee unknowingly installed a harmful version of a VS Code extension – a popular add-on for the code editor used by many developers worldwide.
The company quickly secured the compromised computer by deleting the harmful software. They then started changing important passwords, beginning with those at the greatest risk, throughout the night.
The investigation currently indicates the hacker only accessed code within GitHub’s own systems. There’s no sign that customer projects, organizations, or accounts were affected.
GitHub confirmed that the attacker’s report of stealing code from around 3,800 repositories matches their internal findings. They plan to share a more detailed report when the investigation is complete.
Why Crypto Developers Are on Alert
A compromised API key in the cryptocurrency world can lead to a trading account being emptied very quickly. These keys often control access to wallets, services that hold crypto, or automated trading programs. This is why Changpeng Zhao (CZ) immediately alerted his audience to the risk.
As an analyst, I’m urging everyone to immediately review their code – even in private repositories – and rotate any exposed API keys. It’s a critical security step to take right now.
— CZ 🔶 BNB (@cz_binance) May 20, 2026
This isn’t the first time this industry has faced security problems. Earlier this year, a security issue at Vercel required companies to change their access keys. In 2022, a leak at 3Commas exposed the access keys of around 100,000 users.
A recent cyberattack targeted Bitwarden, a popular password manager. Hackers gained access to sensitive information like wallet seeds and developer tokens, and cleverly concealed it within GitHub repositories.
Developers frequently make the mistake of embedding private keys directly within their code, build processes, or configuration files, believing these internal areas are secure. However, recent incidents, like the one on GitHub, demonstrate that internal systems are just as vulnerable to breaches as public-facing ones.
GitHub is still investigating the recent data breach by examining its logs. They expect to have a better understanding in the next few days of whether any stolen code or sensitive information related to cryptocurrency systems was compromised.
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2026-05-20 08:36