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.
Fixes and workarounds
Workaround
Revoke TEMPORARY from PUBLIC and CREATE on all schemas from masked roles to prevent them from creating a function. Revoke EXECUTE from PUBLIC on function with SQL-standard bodies since anon fails to anonymize the data they return.
Source: CNA: PostgreSQLAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| PostgreSQL Anonymizer DALIBO |
≥ 1; < 3.3.0 (affected, semver)
Other versions: unaffected |
CNA: PostgreSQL |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 6.5 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | CNA: PostgreSQL |
| 3.1 / 6.5 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | NVD: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/718CNA: PostgreSQL
- https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/718f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
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