Looker account compromise via punycode homograph attack

An attacker could take over a Looker account in a Looker instance configured with OIDC authentication, due to email address string normalization.Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted. Self-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted. The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ : * 24.12.100+ * 24.18.193+ * 25.0.69+ * 25.6.57+ * 25.8.39+ * 25.10.22+ * 25.12.0+