# CVE-2026-18546: CockroachDB PostgreSQL for IBM VPC is affected by multiple vulnerabilities

Status: published. Published: 2026-11-08. Updated: 2026-11-08.

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 server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

## Remediation

- 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 https://www.ibm.com/software/passportadvantage/pao_customer.html . (source: CNA: ibm)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7293292

## Affected products and versions

- IBM / CockroachDB PostgreSQL for IBM VPC: ≥ 26.2.0; ≤ 26.2.3 (affected, semver); ≥ 25.4.0; ≤ 25.4.12 (affected, semver); ≥ 25.2.0; ≤ 25.2.20 (affected, semver). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 5.4 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N; source: CNA: ibm

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-918

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.ibm.com/support/pages/node/7293292 (CNA: ibm; vendor-advisory, patch)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-18546; retrieved 2026-11-08; source updated 2026-11-08

Revision: 68b6e5d5643838705c45c9f6950956f4a77bde83fd2bb4e185595ddd98556dad

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