CVE-2026-13455CWE-328

PostgreSQL Anonymizer: Unrestricted function can leak the secret salt

Medium · published June 30, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
8.0
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00188 · 8.0th percentile
Weakness
CWE-328 · Use of Weak Hash
Published
2026-06-30T15:19Z
EPSS history
Timeline
  • 30 JUN 15:19Z
    PostgreSQL Anonymizer: Unrestricted function can leak the secret salt
    cvelistv5