CVE-2026-18893
CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilities
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.
Fixes and workarounds
Fix
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.
Source: CNA: ibmFix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: ibmAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| CockroachDB PostgreSQL for IBM VPC IBM |
≥ 26.2.0; ≤ 26.2.3 (affected, semver) ≥ 25.4.0; ≤ 25.4.12 (affected, semver) ≥ 25.2.0; ≤ 25.2.20 (affected, semver) |
CNA: ibm |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.1 high |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N | CNA: ibm |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.ibm.com/support/pages/node/7293292CNA: ibm · vendor-advisory, patch
For agents and automation
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