# CVE-2025-12414: Looker account compromise via punycode homograph attack

> CVE-2025-12414: Looker account compromise via punycode homograph attack. CVSS 9.2 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2025-12414
Last updated: 2026-10-18T20:10:00Z

- Published: 2025-11-20 10:32 UTC · Updated: 2026-10-18 20:10 UTC · Assigner: GoogleCloud
- CVSS: 9.2 (CVSS 4.0) · Severity: Critical
- EPSS: 0.37%, 31th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-290

## 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+

## Affected vendors and products

- Google Cloud: Looker

## Tracked companies

- [Google Cloud](https://rewindex.com/company/google-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-12414)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-12414)
- [https://cloud.google.com/support/bulletins\#GCP-2025-067](https://cloud.google.com/support/bulletins#GCP-2025-067)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2025-12414 · Markdown: https://rewindex.com/cve/CVE-2025-12414.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-12414 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:14:41.687Z