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CVE-2026-13455

PostgreSQL Anonymizer: Unrestricted function can leak the secret salt

Published: Jun 30, 2026Updated: Jul 6, 2026 Sources: CVE List NVDCWE-328
4.3MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 91.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

PostgreSQL Anonymizer contains a vulnerability that allows unprivileged masked users to repeatedly call the anon.hash() function and collects (seed, hash_output) pairs to perform an offline brute-force attack and deduce the salt. The problem is resolved in PostgreSQL Anonymizer 3.1.2 and later versions

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-328

Affected Products

DALIBO
commercial
PostgreSQL AnonymizerOn-prem
Databases / db-tooling
and 1 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
Is your org exposed to CVE-2026-13455?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649
gitlab.com

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