CVE-2026-18893 (GCVE-0-2026-18893)

Vulnerability from cvelistv5 – Published: 2026-11-08 18:08 – Updated: 2026-11-09 21:06
VLAI
Title
CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilities
Summary
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.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 21:05 UTC
CWE
  • CWE-269 - Improper Privilege Management
Assigner
ibm CNA
References
URL Tags
https://www.ibm.com/support/pages/node/7293292 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM CockroachDB PostgreSQL for IBM VPC Affected: 26.2.0 , ≤ 26.2.3 (semver)
Affected: 25.4.0 , ≤ 25.4.12 (semver)
Affected: 25.2.0 , ≤ 25.2.20 (semver)
    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:*:*:*:*:*:*:*
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