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+
Published: 2025-11-20
Score: 9.2 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

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'}

Subscriptions

Google Cloud Looker
cve-icon MITRE

Status: PUBLISHED

Assigner: GoogleCloud

Published:

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 : Deferred

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

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-12414

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-21T09:15:52Z

Weaknesses