{"id":"CVE-2026-13455","state":"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","publishedAt":"2026-06-30T15:19:57.657Z","updatedAt":"2026-06-30T15:57:53.085Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"PostgreSQL"},"assigner":"PostgreSQL","products":["DALIBO PostgreSQL Anonymizer"],"affected":[{"vendor":"DALIBO","product":"PostgreSQL Anonymizer","defaultStatus":"unaffected","versions":[{"version":"1","status":"affected","lessThan":"3.1.2","versionType":"semver"}]}],"references":["https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649"],"weaknesses":["CWE-328"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13455.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13455","state":"PUBLISHED","datePublished":"2026-06-30T15:19:57.657Z","dateUpdated":"2026-06-30T15:57:53.085Z","assignerShortName":"PostgreSQL","assignerOrgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","dateReserved":"2026-06-26T18:36:50.872Z"},"containers":{"cna":{"title":"PostgreSQL Anonymizer: Unrestricted function can leak the secret salt","descriptions":[{"lang":"en","value":"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":[{"vendor":"DALIBO","product":"PostgreSQL Anonymizer","defaultStatus":"unaffected","versions":[{"version":"1","status":"affected","lessThan":"3.1.2","versionType":"semver"}]}],"references":[{"url":"https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649"}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-328","lang":"en","type":"CWE","description":"Use of Weak Hash"}]}],"providerMetadata":{"shortName":"PostgreSQL","orgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","dateUpdated":"2026-06-30T15:19:57.657Z"},"workarounds":[{"lang":"en","value":"Restrict access to anon.hash() for masked users: SECURITY LABEL FOR anon ON FUNCTION anon.hash(TEXT) IS 'RESTRICTED'."}],"credits":[{"lang":"en","value":"The PostgreSQL Anonymizer project thanks user Sarath Kumar for reporting this problem."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-30T15:57:10.838763Z","id":"CVE-2026-13455","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-30T15:57:53.085Z"}}]}}}