CVE-2026-18893 CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilities

CockroachDB PostgreSQL for IBM VPC is vulnerable to privilege escalation via a user-defined function (CWE-269). This flaw allows an attacker with low privileges to potentially gain elevated permissions. Affected versions include versions prior to v26.2.3 , v25.4.12 , and v25.2.20 . To remediate t...