CVE-2026-13455

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-13455", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "state": "PUBLISHED", "assignerShortName": "PostgreSQL", "dateReserved": "2026-06-26T18:36:50.872Z", "datePublished": "2026-06-30T15:19:57.657Z", "dateUpdated": "2026-06-30T15:57:53.085Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-06-30T15:19:57.657Z"}, "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": [{"defaultStatus": "unaffected", "product": "PostgreSQL Anonymizer", "vendor": "DALIBO", "versions": [{"lessThan": "3.1.2", "status": "affected", "version": "1", "versionType": "semver"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-328", "type": "CWE", "description": "Use of Weak Hash"}]}], "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"}}], "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": [{"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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-30T15:57:53.085Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-13455", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-30T15:57:10.838763Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-30T15:57:14.669Z"}}], "cna": {"title": "PostgreSQL Anonymizer: Unrestricted function can leak the secret salt", "credits": [{"lang": "en", "value": "The PostgreSQL Anonymizer project thanks user Sarath Kumar for reporting this problem."}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 4.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}}], "affected": [{"vendor": "DALIBO", "product": "PostgreSQL Anonymizer", "versions": [{"status": "affected", "version": "1", "lessThan": "3.1.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649"}], "workarounds": [{"lang": "en", "value": "Restrict access to anon.hash() for masked users: SECURITY LABEL FOR anon ON FUNCTION anon.hash(TEXT) IS 'RESTRICTED'."}], "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"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-328", "description": "Use of Weak Hash"}]}], "providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-06-30T15:19:57.657Z"}}}, "cveMetadata": {"cveId": "CVE-2026-13455", "state": "PUBLISHED", "dateUpdated": "2026-06-30T15:57:53.085Z", "dateReserved": "2026-06-26T18:36:50.872Z", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "datePublished": "2026-06-30T15:19:57.657Z", "assignerShortName": "PostgreSQL"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "PostgreSQL Anonymizer", "vendor": "DALIBO", "versions": [{"lessThan": "3.1.2", "status": "affected", "version": "1", "versionType": "semver"}]}], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dalibo:postgresql_anonymizer:*:*:*:*:*:postgresql:*:*", "matchCriteriaId": "2CBA3A66-8F34-4EA5-9C5F-FEDDE5689BD0", "versionEndIncluding": "3.1.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}, {"lang": "es", "value": "PostgreSQL Anonymizer contiene una vulnerabilidad que permite a usuarios enmascarados sin privilegios llamar repetidamente a la funci\u00f3n anon.hash() y recopilar pares (semilla, salida_hash) para realizar un ataque de fuerza bruta fuera de l\u00ednea y deducir la sal. El problema se resuelve en PostgreSQL Anonymizer 3.1.2 y versiones posteriores."}], "id": "CVE-2026-13455", "lastModified": "2026-10-25T21:10:00.770", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13455", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-30T15:57:10.838763Z", "version": "2.0.3"}}]}, "published": "2026-06-30T16:16:44.547", "references": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "tags": ["Vendor Advisory"], "url": "https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649"}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-328"}], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}

{"bugzilla": {"description": "postgresql_anonymizer: PostgreSQL Anonymizer: Information Disclosure via brute-force attack on hash function", "id": "2495009", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2495009"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-916", "details": ["A flaw was found in PostgreSQL Anonymizer. Unprivileged masked users can repeatedly call the anon.hash() function to collect seed and hash output pairs. This allows an attacker to perform an offline brute-force attack to deduce the salt, potentially leading to information disclosure."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-13455", "public_date": "2026-06-30T15:19:57Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-13455\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-13455\nhttps://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649"], "statement": "PostgreSQL Anonymizer is not shipped in any Red Hat product. It is available in Fedora and EPEL as a community package.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1,3.1.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "PostgreSQL Anonymizer", "source": "cna", "vendor": "DALIBO"}, "product": "postgresql_anonymizer", "vendor": "dalibo"}], "created": "2026-06-30T18:30:18.452688+00:00", "updated": "2026-07-01T12:45:16.500990+00:00", "vendors": ["dalibo", "dalibo$PRODUCT$postgresql_anonymizer"]}