{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116316", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "state": "PUBLISHED", "assignerShortName": "PostgreSQL", "dateReserved": "2026-10-26T03:52:44.052Z", "datePublished": "2026-11-12T14:15:09.406Z", "dateUpdated": "2026-11-12T14:15:09.406Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-11-12T14:15:09.406Z"}, "title": "PostgreSQL security-restricted operations can create types in pg_temp, which later queries of the session find", "x_postgresql": {"component": "core server"}, "descriptions": [{"lang": "en", "value": "Improper protection of alternate path in PostgreSQL security-restricted operations allows an object creator to execute arbitrary SQL as the operation's caller, via a domain, enum, or range type created in pg_temp. The victim session must later run a query containing an unqualified type name, e.g. \"SELECT '1'::bigint\"; autovacuum and other common security-restricted operation users do not do so, so they are unaffected. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected."}], "affected": [{"defaultStatus": "unaffected", "product": "PostgreSQL", "vendor": "n/a", "versions": [{"lessThan": "18.7", "status": "affected", "version": "18", "versionType": "rpm"}, {"lessThan": "17.12", "status": "affected", "version": "17", "versionType": "rpm"}, {"lessThan": "16.16", "status": "affected", "version": "16", "versionType": "rpm"}, {"lessThan": "15.20", "status": "affected", "version": "15", "versionType": "rpm"}, {"lessThan": "14.25", "status": "affected", "version": "0", "versionType": "rpm"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-424", "type": "CWE", "description": "Improper Protection of Alternate Path"}]}], "references": [{"url": "https://www.postgresql.org/support/security/CVE-2026-116316/"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "configurations": [{"lang": "en", "value": "victim session runs a security-restricted operation, then a regular query with unqualified type names"}], "credits": [{"lang": "en", "value": "The PostgreSQL project thanks Anthropic OSS program for reporting this problem."}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "PostgreSQL", "vendor": "n/a", "versions": [{"lessThan": "18.7", "status": "affected", "version": "18", "versionType": "rpm"}, {"lessThan": "17.12", "status": "affected", "version": "17", "versionType": "rpm"}, {"lessThan": "16.16", "status": "affected", "version": "16", "versionType": "rpm"}, {"lessThan": "15.20", "status": "affected", "version": "15", "versionType": "rpm"}, {"lessThan": "14.25", "status": "affected", "version": "0", "versionType": "rpm"}]}], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper protection of alternate path in PostgreSQL security-restricted operations allows an object creator to execute arbitrary SQL as the operation's caller, via a domain, enum, or range type created in pg_temp. The victim session must later run a query containing an unqualified type name, e.g. \"SELECT '1'::bigint\"; autovacuum and other common security-restricted operation users do not do so, so they are unaffected. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected."}], "id": "CVE-2026-116316", "lastModified": "2026-11-12T15:17:39.837", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}, "published": "2026-11-12T15:17:39.837", "references": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "url": "https://www.postgresql.org/support/security/CVE-2026-116316/"}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-424"}], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}

{}

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