Is CVE-2026-13455 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13455?

CVE-2026-13455 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-13455

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