Data Masking Vulnerability in PostgreSQL Anonymizer by Dalibo
CVE-2026-110183

4.3MEDIUM

Key Information:

Vendor

Dalibo

Status
Postgresql Anonymizer
Vendor
CVE Published:
28 October 2026

What is CVE-2026-110183?

The PostgreSQL Anonymizer has a vulnerability that allows for the exposure of statistics related to original data due to static masking. Until an ANALYZE operation is conducted, either manually or through autovacuum, original data statistics remain accessible in pg_stats. This issue can lead to unintended data exposure, impacting data confidentiality. The vulnerability has been addressed in version 3.3.0 onwards.

Affected Version(s)

PostgreSQL Anonymizer 1 < 3.3.0

References

https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/722

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

The PostgreSQL Anonymizer project thanks user Ilya Staroverov for reporting this problem.
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