CVE-2025-12414
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. 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+
INFO
Published Date :
Nov. 20, 2025, 10:32 a.m.
Last Modified :
Nov. 20, 2025, 10:32 a.m.
Remotely Exploit :
Yes !
Source :
GoogleCloud
Affected Products
The following products are affected by CVE-2025-12414
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | f45cbf4e-4146-4068-b7e1-655ffc2c548c |
Solution
- Update self-hosted Looker instances to a patched version.
- Verify instance is running a patched version.
- Test authentication after applying updates.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-12414 vulnerability anywhere in the article.