CVE-2026-13455
PostgreSQL Anonymizer: Unrestricted function can leak the secret salt
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
INFO
Published Date :
June 30, 2026, 3:19 p.m.
Last Modified :
June 30, 2026, 3:19 p.m.
Remotely Exploit :
No
Source :
PostgreSQL
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 |
Solution
- Update PostgreSQL Anonymizer to version 3.1.2 or later.
- Apply patches or upgrade the software.
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