# Security Policy ## Supported Versions | Version | Supported | | ------- | ------------------ | | 4.2.x | :white_check_mark: | | < 3 | :x: | | < 2 | :x: | ## Reporting a Vulnerability Report a Vulnerability [here](https://github.com/diced/zipline/security/advisories) (click Report a Vulnerability). Please include exact details with how to reproduce the vulnerability, and if possible, a proof of concept that demonstrates the vulnerability. <- Go [back](README.md#SECURITY)