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+
History

Fri, 21 Nov 2025 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google cloud Looker
Vendors & Products Google
Google cloud Looker

Thu, 20 Nov 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 20 Nov 2025 10:45:00 +0000

Type Values Removed Values Added
Description 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+
Title Looker account compromise via punycode homograph attack
Weaknesses CWE-290
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Amber'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GoogleCloud

Published: 2025-11-20T10:32:52.463Z

Updated: 2025-11-20T14:36:38.420Z

Reserved: 2025-10-28T15:40:31.760Z

Link: CVE-2025-12414

cve-icon Vulnrichment

Updated: 2025-11-20T14:36:33.578Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-20T15:17:23.000

Modified: 2025-11-21T15:13:59.083

Link: CVE-2025-12414

cve-icon Redhat

No data.