SSRF in IBM API Connect

CVE-2026-17355

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information from internal network resources due to server-side request forgery. Destination checks on outbound requests can be bypassed, which could allow the server to reach internal systems that should be blocked.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/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-2026-17355?
CVE-2026-17355 is a high-severity vulnerability in IBM API Connect, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-11-07.
How severe is CVE-2026-17355?
High severity. CVSS v3 base score is 8.2 out of 10.