{"id":"CVE-2025-12414","aliases":["EUVD-2025-198285","GHSA-5vh2-6vmq-fw7j"],"status":"published","title":"Looker account compromise via punycode homograph attack","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.\n\nThis issue has already been mitigated for Looker-hosted.\n\n\nSelf-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.\nThe 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/ :\n  *  24.12.100+\n  *  24.18.193+\n  *  25.0.69+\n  *  25.6.57+\n  *  25.8.39+\n  *  25.10.22+\n  *  25.12.0+","severity":{"version":"4.0","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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00375,"percentile":0.31773,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-290"],"published":"2025-11-20T10:32:52Z","modified":"2026-10-18T20:10:00Z","products":[{"vendor":"google cloud","product":"looker"}],"references":[{"url":"https://cloud.google.com/support/bulletins#GCP-2025-067"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12414"},{"url":"https://github.com/advisories/GHSA-5vh2-6vmq-fw7j"}],"sources":{"cve":[{"id":"CVE-2025-12414","title":"Looker account compromise via punycode homograph attack","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.\n\nThis issue has already been mitigated for Looker-hosted.\n\n\nSelf-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.\nThe 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/ :\n  *  24.12.100+\n  *  24.18.193+\n  *  25.0.69+\n  *  25.6.57+\n  *  25.8.39+\n  *  25.10.22+\n  *  25.12.0+","status":"published","published":"2025-11-20T10:32:52.463Z","modified":"2025-11-20T14:36:38.42Z","cvss":[{"version":"4.0","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","level":"critical","assessor":"cna"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-198285","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.\n\nThis issue has already been mitigated for Looker-hosted.\n\n\nSelf-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.\nThe 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/ :\n  *  24.12.100+\n  *  24.18.193+\n  *  25.0.69+\n  *  25.6.57+\n  *  25.8.39+\n  *  25.10.22+\n  *  25.12.0+","status":"published","published":"2025-11-20T10:32:52Z","modified":"2025-11-20T14:36:38Z","cvss":[{"version":"4.0","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","level":"critical"}],"updated_at":"2026-11-02T19:49:14.564249Z"}],"ghsa":[{"id":"GHSA-5vh2-6vmq-fw7j","title":"An attacker could take over a Looker account in a Looker instance configured with OIDC...","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.\n\nThis issue has already been mitigated for Looker-hosted.\n\n\nSelf-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.\nThe 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/ :\n  *  24.12.100+\n  *  24.18.193+\n  *  25.0.69+\n  *  25.6.57+\n  *  25.8.39+\n  *  25.10.22+\n  *  25.12.0+","status":"published","published":"2025-11-20T15:30:22Z","modified":"2025-11-20T15:30:23Z","cvss":[{"version":"4.0","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/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","level":"critical"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T15:04:53.631555Z"}],"nvd":[{"id":"CVE-2025-12414","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.\n\nThis issue has already been mitigated for Looker-hosted.\n\n\nSelf-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.\nThe 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/ :\n  *  24.12.100+\n  *  24.18.193+\n  *  25.0.69+\n  *  25.6.57+\n  *  25.8.39+\n  *  25.10.22+\n  *  25.12.0+","status":"published","published":"2025-11-20T15:17:23Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"4.0","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/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","level":"critical","assessor":"secondary"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:11:46.009629Z"}]}}