CVE-2026-18893

CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilities

Published Nov 8, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
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 vulnerable to privilege escalation via user-defined function.

Remediation

Vendor Solution

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.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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 vulnerable to privilege escalation via user-defined function.
Title CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilities
First Time appeared Ibm
Ibm cockroachdb Postgresql For Ibm Vpc
Weaknesses CWE-269
CPEs cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.2.20:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:25.4.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:26.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cockroachdb_postgresql_for_ibm_vpc:26.2.3:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm cockroachdb Postgresql For Ibm Vpc
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Nov 9, 2026, 9:06 PM
Reserved
Aug 4, 2026, 7:50 PM
Status
Awaiting Analysis
Published
Nov 8, 2026, 7:17 PM
Modified
Nov 9, 2026, 10:18 PM