CVE-2025-12743
- Published: 2025-11-19T17:15:46.003
The Looker endpoint for generating new projects from database connections allows users to specify “looker” as a connection name, which is a reserved internal name for Looker’s internal MySQL database. The schemas parameter is vulnerable to SQL injection, enabling attackers to manipulate SELECT queries that are constructed and executed against the internal MySQL database. This vulnerability allows users with developer permissions to extract data from Looker’s internal MySQL database.
Looker-hosted and Self-hosted were found to be vulnerable.
This issue has already been mitigated for Looker-hosted instances. No user action is required for these.
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 against this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ :
* 24.12.106
* 24.18.198+
* 25.0.75
* 25.6.63+
* 25.8.45+
* 25.10.33+
* 25.12.1+
* 25.14+
Related CVE by CWE
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How to fix CVE-2025-12743
Description: The Looker endpoint for generating new projects from database connections allows users to specify “looker” as a connection name, which is a reserved internal name for Looker’s internal MySQL database. The schemas parameter is vulnerable to SQL injection, enabling attackers to manipulate SELECT queries that are constructed and executed against the internal MySQL database. This […]
Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Vendor Advisory: https://download.looker.com/
Exploit Difficulty Assessment
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CVE details first published to NVD database
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No vendor/product data available.