CVE-2026-110181: PostgreSQL Anonymizer: Function declared with SQL-standard syntax leak anonymized data
PostgreSQL Anonymizer contains a vulnerability related to anonymization functions defined using SQL-standard function bodies. PostgreSQL analyses such functions at declaration time, while Anonymizer only attempts to check them at execution time. This problem can be exploited by any user with the TEMPORARY privilege. The issue is fixed in PostgreSQL Anonymizer 3.3.0 and later versions.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
PostgreSQL Anonymizerto a version that resolves this vulnerability.Fixed in 3.3.0
Event History
Frequently Asked Questions
Who can exploit this issue?
Any user with the PostgreSQL TEMPORARY privilege can exploit the issue. Exploitation does not require user interaction.
What condition makes the data leak possible?
The issue involves anonymization functions defined with SQL-standard function bodies. PostgreSQL analyzes those functions when they are declared, while PostgreSQL Anonymizer performs its check only when they execute.
Which versions address the issue?
PostgreSQL Anonymizer 3.3.0 and later versions include the fix.