{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18893", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-04T19:50:01.095Z", "datePublished": "2026-11-08T18:08:16.406Z", "dateUpdated": "2026-11-08T18:08:42.430Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-11-08T18:08:42.430Z"}, "title": "CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilities", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "CockroachDB PostgreSQL for IBM VPC", "versions": [{"status": "affected", "version": "26.2.0", "lessThanOrEqual": "26.2.3", "versionType": "semver"}, {"status": "affected", "version": "25.4.0", "lessThanOrEqual": "25.4.12", "versionType": "semver"}, {"status": "affected", "version": "25.2.0", "lessThanOrEqual": "25.2.20", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:26.2.3:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:26.2.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.4.12:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.4.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.2.20:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.2.0:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM CockroachDB PostgreSQL for IBM VPC 26.2.0 through 26.2.3, 25.4.0 through 25.4.12, and 25.2.0 through 25.2.20 is\u00a0vulnerable to privilege escalation via user-defined function.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><span>IBM CockroachDB PostgreSQL for IBM VPC 26.2.0 through 26.2.3, 25.4.0 through 25.4.12, and 25.2.0 through 25.2.20 is</span>&nbsp;vulnerable to privilege escalation via user-defined function.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7293292", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}}], "solutions": [{"lang": "en", "value": "For CockroachDB PostgreSQL for IBM VPC, upgrade to CockroachDB 25.2.20, 25.4.12 or 26.2.3. Download the product versions from IBM Passport Advantage Online.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>For CockroachDB PostgreSQL for IBM VPC, upgrade to CockroachDB 25.2.20, 25.4.12 or 26.2.3. Download the product versions from\u00a0<a href=\"https://www.ibm.com/software/passportadvantage/pao_customer.html\" rel=\"noopener noreferrer nofollow\">IBM Passport Advantage Online</a>.</p>"}]}]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:26.2.3:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:26.2.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.4.12:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.4.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.2.20:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.2.0:*:*:*:*:*:*:*"], "product": "CockroachDB PostgreSQL for IBM VPC", "vendor": "IBM", "versions": [{"lessThanOrEqual": "26.2.3", "status": "affected", "version": "26.2.0", "versionType": "semver"}, {"lessThanOrEqual": "25.4.12", "status": "affected", "version": "25.4.0", "versionType": "semver"}, {"lessThanOrEqual": "25.2.20", "status": "affected", "version": "25.2.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM CockroachDB PostgreSQL for IBM VPC 26.2.0 through 26.2.3, 25.4.0 through 25.4.12, and 25.2.0 through 25.2.20 is\u00a0vulnerable to privilege escalation via user-defined function."}], "id": "CVE-2026-18893", "lastModified": "2026-11-08T19:17:38.500", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-11-08T19:17:38.380", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7293292"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

{}

{"created": "2026-11-08T19:30:12.961014+00:00", "updated": "2026-11-08T19:30:12.961019+00:00", "vendors": []}