Checkmarx Confirms Security Incident Involving GitHub Repository Exposure

Checkmarx confirmed that an internal GitHub repository was leaked to the dark web on April 27, 2026, following an earlier supply‑chain compromise on March 23, 2026. The company asserts the repository is segregated from customer production, has locked down access, engaged third‑party forensic investigators, and will provide a more detailed technical update within 24 hours while analyzing whether any customer data is present in the leak.