CVE-2025-12414: Google Cloud Looker

Critical severity, CVSS 9.2. EPSS: 0.5% chance of exploitation in the next 30 days.

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+

Affected products

• Google Cloud Looker: before 24.12.100 (fixed in 24.12.100); before 24.18.193 (fixed in 24.18.193); before 25.0.69 (fixed in 25.0.69); before 25.6.57 (fixed in 25.6.57); before 25.8.39 (fixed in 25.8.39); before 25.10.22 (fixed in 25.10.22); …

Published 2025-11-20. Last modified 2026-06-17.