Shopware is an open commerce platform. Prior to versions 6.6.10.18 and 6.7.10.1, an attacker is able to enumerate the usernames of administrator users by performing a timing attack. Versions 6.6.10.18 and 6.7.10.1 fix the issue.
https://github.com/shopware/shopware/security/advisories/GHSA-7w52-7jvm-m9vw
https://github.com/shopware/shopware/releases/tag/v6.7.10.1
https://github.com/shopware/shopware/releases/tag/v6.6.10.18