# CVE-2026-13455

## Summary

- **CVE ID:** CVE-2026-13455
- **Severity:** MEDIUM
- **CVSS Score:** 4.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
- **CWE:** CWE-328
- **Published:** Jun 30, 2026
- **Last Modified:** Jun 30, 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

## Affected Products

- DALIBO — PostgreSQL Anonymizer (1)

## References

- [CNA](https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.19%
- **EPSS Percentile:** 8.5

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._