CVE-2026-13455
PostgreSQL Anonymizer: Unrestricted function can leak the secret salt
- State
- Published
- Severity
- 4.3 Medium
- Published
- Jun 30, 2026
- Updated
- Jun 30, 2026
- Reserved
- Jun 26, 2026
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
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | PostgreSQL |
Weaknesses
- CWE-328 Use of Weak Hash
Affected Products
| Product | Versions |
|---|---|
PostgreSQL AnonymizerDALIBO |
|
References
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