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CVE-2026-13455

MEDIUM
4.3
CVSS 3.1
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

Metadata

CVE ID
CVE-2026-13455
State
PUBLISHED
Assigner
PostgreSQL
Reserved
2026-06-26 18:36 UTC
Published
2026-06-30 15:19 UTC
Last updated
2026-06-30 15:57 UTC
Primary CWE
CWE-328
Use of Weak Hash
Vendor / Product
DALIBO / PostgreSQL Anonymizer
Sources
cve.org  ·  NVD

Severity & Metrics

4.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
DALIBO PostgreSQL Anonymizer — 1 < 3.1.2
Weakness (CWE)
CWESourceDescription
CWE-328 cna Use of Weak Hash
CVSS scores (1)
ScoreSeverityVersionSourceVector
4.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References (1)
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