Mintlify Confirms Data Breach, Customer GitHub Tokens Exposed

Mintlify reports a data breach that compromised GitHub tokens. Customers urged to change passwords and monitor their repositories for any suspicious activity.

Documentation startup Mintlify has disclosed a serious data breach incident that occurred in early March. The company confirmed that GitHub tokens belonging to 91 of its customers were exposed in the breach. GitHub tokens serve as sensitive credentials that grant access to a user’s GitHub repositories.

Key Highlights:

  • 91 Mintlify customers affected by the breach
  • Exposed data includes GitHub access tokens
  • Mintlify attributes breach to a vulnerability within its own systems
  • The company is working with GitHub to assess if compromised tokens were misused

What is Mintlify?

Mintlify assists developers in creating clear and effective documentation for their software projects. The service works by connecting directly to customers’ GitHub repositories, where software code is stored. This integration streamlines the documentation creation process. Mintlify’s clientele includes businesses in the fintech, AI, and database sectors.

The Breach

Mintlify, a platform that assists developers in creating software documentation, suffered a data breach on March 1st. The company’s investigation revealed a system vulnerability led to the leak of internal administrative credentials to their customers. Unfortunately, among the leaked data were GitHub tokens that provide access to customers’ code repositories.

Consequences & Response

If malicious actors obtained these exposed GitHub tokens, they could potentially access and manipulate private source code repositories. This poses a significant security risk to affected Mintlify customers.

Mintlify states that it has notified all impacted users. The company is also collaborating with GitHub to investigate any potential misuse of compromised tokens. At this point, there is no indication that the tokens have been used to breach private code repositories.

Steps for Affected Users

Mintlify strongly urges affected customers to take immediate steps to secure their GitHub accounts. This includes:

  • Rotating GitHub Access Tokens:┬áRegenerate all potentially compromised GitHub tokens.
  • Reviewing Repository Activity:┬áCarefully examine repository logs for any signs of unauthorized access.
  • Enhanced Security:┬áConsider implementing security measures such as two-factor authentication for GitHub accounts.

Mintlify’s Commitment

Mintlify co-founder Han Wang expressed regret over the incident and emphasized the company’s commitment to strengthening its security. The company says they have taken measures to patch the vulnerability and prevent similar breaches from reoccurring.

Protecting Yourself

If you are a Mintlify customer, these steps are recommended:

  • Change your GitHub password immediately.
  • Consider revoking and reissuing your GitHub tokens.
  • Monitor your repositories for any suspicious activity.

Data Security Remains a Challenge

The Mintlify breach highlights the ongoing challenges that companies face in safeguarding sensitive customer data. Even smaller startups with focused services are not immune to cyberattacks. This incident underscores the importance of vigilance and robust security practices for businesses of all sizes.

About the author


James Miller

Senior writer & Rumors Analyst, James is a postgraduate in biotechnology and has an immense interest in following technology developments. Quiet by nature, he is an avid Lacrosse player. He is responsible for handling the office staff writers and providing them with the latest updates happenings in the world of technology. You can contact him at

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