SSRF in IBM API Connect

CVE-2026-17299

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to perform arbitrary file reads and server-side request forgery due to unrestricted resolution of external references. Externally referenced content in submitted definitions is not sufficiently restricted when processed, and the retrieved content could be returned to the attacker.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/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-2026-17299?
CVE-2026-17299 is a critical-severity vulnerability in IBM API Connect, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.6/10. Published 2026-11-07.
How severe is CVE-2026-17299?
Critical severity. CVSS v3 base score is 9.6 out of 10.