CVE-2026-13455

mediumCVSS 4.3covered by 1 sourcefirst seen 2026-06-30

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

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Exploitation outlook

Low exploitation risk0.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-13455: PostgreSQL Anonymizer contains a vulnerability that allows unprivileged masked users to repeat…nvd · 2026-06-30

External references

NVD record for CVE-2026-13455

CVE.org record

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