CVE-2026-13455
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| DALIBO | PostgreSQL Anonymizer | 1 < 3.1.2 | affected |
Weaknesses
- CWE-328: Use of Weak Hash
Workarounds
Restrict access to anon.hash() for masked users: SECURITY LABEL FOR anon ON FUNCTION anon.hash(TEXT) IS 'RESTRICTED'.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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