Security updates are only published for the latest minor version of HASH Engine (hEngine). We have no expectation of beginning to publish security patches for older versions of hEngine in the near future.
If you are an enterprise customer with specific security requirements you can contact us via the HASH website or email security@hash.ai
We value the work of security researchers who help keep our users safe. To responsibly and confidentially disclose vulnerabilities in any of our hosted code or services, email a report to security@hash.ai or via the form at hash.ai/contact.