SSRF in IBM Cockroachdb PostgreSQL For Vpc

CVE-2026-18546

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18546?
CVE-2026-18546 is a medium-severity vulnerability in IBM Cockroachdb PostgreSQL For Vpc, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-11-08.
How severe is CVE-2026-18546?
Medium severity. CVSS v3 base score is 5.4 out of 10.