# Security Advisories > If you discover a vulnerability in Coder, please do not hesitate to report it > to us by following the instructions > [here](https://github.com/coder/coder/blob/main/SECURITY.md). From time to time, Coder employees or other community members may discover vulnerabilities in the product. If a vulnerability requires an immediate upgrade to mitigate a potential security risk, we will add it to the below table. Click on the description links to view more details about each specific vulnerability. --- | Description | Severity | Fix | Vulnerable Versions | | ---------------------------------------------------------------------------------- | -------- | -------------------------------------------------------------- | ------------------- | | [API tokens of deleted users not invalidated](./0001_user_apikeys_invalidation.md) | HIGH | [v0.23.0](https://github.com/coder/coder/releases/tag/v0.23.0) | v0.8.25 - v0.22.2 |