CVE-2026-13455
Medium
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
SeverityMedium
CVSS4.3
Exploit probability—
ProductDalibo Postgresql Anonymizer
PublishedJun 30, 2026
First seenJun 30, 2026
Weakness typeCWE-328CWE-328
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dalibo postgresql_anonymizer | v ≤ 3.1.2 | — |
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