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  4. CVE 2026 18893 cockroachdb postgresql for ibm vpc is affected by
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Back to active CVEs
High · CVSS 7.1CVE-2026-18893

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

Answer in brief

CVE-2026-18893 records a High severity (CVSS 7.1) vulnerability in CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilities. The current sources do not mark it as known exploited. The current feed maps IBM/CockroachDB PostgreSQL for IBM VPC (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 8, 2026Updated Nov 8, 2026Source checked Nov 8, 2026First seen by HOL Nov 8, 2026Material review Nov 8, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps IBM/CockroachDB PostgreSQL for IBM VPC (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
IBM/CockroachDB PostgreSQL for IBM VPCgeneric>=26.2.0 <=26.2.3 || >=25.4.0 <=25.4.12 || >=25.2.0 <=25.2.20Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for IBM/CockroachDB PostgreSQL for IBM VPC.
  2. 2Review the reported fix. Source-reported 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.

Evidence timeline and material changes

  1. Published upstream

    Nov 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 8, 2026

Sources and claim methodology

  • Source referenceibm.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilitiesSame ibm/cockroachdb postgresql for ibm vpc package

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-269
Source
CVE List V5
Source checked
Nov 8, 2026
References
1 linked source
Open source record