{"id":"CVE-2026-13455","aliases":["EUVD-2026-40349","GHSA-8ch8-93q8-mhm3"],"status":"published","title":"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","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00188,"percentile":0.08507,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-328"],"published":"2026-06-30T15:19:57Z","modified":"2026-10-28T02:30:27Z","products":[{"vendor":"dalibo","product":"postgresql anonymizer"},{"vendor":"dalibo","product":"postgresql_anonymizer"}],"references":[{"url":"https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649","tags":["Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13455","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8ch8-93q8-mhm3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13455.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-13455","title":"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","status":"published","published":"2026-06-30T15:19:57.657Z","modified":"2026-06-30T15:57:53.085Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-328"],"updated_at":"2026-11-02T14:19:50.24628Z"}],"euvd":[{"id":"EUVD-2026-40349","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","status":"published","published":"2026-06-30T15:19:57Z","modified":"2026-06-30T15:57:53Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:21.147551Z"}],"ghsa":[{"id":"GHSA-8ch8-93q8-mhm3","title":"PostgreSQL Anonymizer contains a vulnerability that allows unprivileged masked users to...","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","status":"published","published":"2026-06-30T18:31:36Z","modified":"2026-06-30T18:31:37Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-328"],"updated_at":"2026-11-02T15:09:06.582219Z"}],"nvd":[{"id":"CVE-2026-13455","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","status":"published","published":"2026-06-30T16:16:44.547Z","modified":"2026-10-25T21:10:00.77Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-328"],"updated_at":"2026-11-02T14:12:26.508751Z"}],"osv":[{"id":"CVE-2026-13455","title":"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","status":"published","published":"2026-06-30T15:19:57.657Z","modified":"2026-10-28T02:30:27.246332991Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-328"],"updated_at":"2026-11-02T15:44:57.354194Z"}]}}