PostgreSQL Anonymizer: Cached plans bypass transparent dynamic masking after a role change or a new masking rule

Summary

CVECVE-2026-105617
StatePUBLISHED
AssignerPostgreSQL
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-28 18:17:03 UTC
Updated2026-11-12 13:37:28 UTC
DescriptionPostgreSQL Anonymizer doesn't invalidate plans prepared after a rule was added or a role changed. Users using such plans can still see the unmasked data until the end of the session. The problem is resolved in PostgreSQL Anonymizer 3.3.0 and later versions.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from f86ef6dc-4d3a-42ad-8f28-e6d5547a5007

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS: 0.002170000 probability, percentile 0.122290000 (date 2026-11-10)

Problem Types: CWE-200 | CWE-200 Exposure of Sensitive Information to an Unauthorized Actor


VersionSourceTypeScoreSeverityVector
3.1f86ef6dc-4d3a-42ad-8f28-e6d5547a5007Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
3.1CNACVSS5.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dalibo Postgresql Anonymizer All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA DALIBO PostgreSQL Anonymizer affected 1 3.3.0 semver Not specified

References

ReferenceSourceLinkTags
gitlab.com/dalibo/postgresql_anonymizer/-/issues/695 f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 gitlab.com Broken Link
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: The PostgreSQL Anonymizer project thanks user Ilya Staroverov for reporting this problem. (en)

Additional Advisory Data

Workarounds

CNA: Disconnect active sessions after changing a masking rule.

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