CVE-2025-12414

CRITICAL

Google Cloud Looker Authentication Bypass via Email Address String Normalization

Title source: llm
STIX 2.1

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+

References (1)

Core 1

Scores

CVSS v4 9.2
EPSS 0.0046
EPSS Percentile 37.7%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-290
Status published
Products (7)
Google Cloud/Looker < 24.12.100
Google Cloud/Looker < 24.18.193
Google Cloud/Looker < 25.0.69
Google Cloud/Looker < 25.10.22
Google Cloud/Looker < 25.12.0
Google Cloud/Looker < 25.6.57
Google Cloud/Looker < 25.8.39
Published Nov 20, 2025
Tracked Since Feb 18, 2026