What is CVE-2026-17297?

CVE-2026-17297 is a critical-severity vulnerability in IBM API Connect, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 9.6/10. Published 2026-11-07.

How severe is CVE-2026-17297?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Open Redirect in IBM API Connect

CVE-2026-17297

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 attacker to perform an account takeover due to an open redirect vulnerability. The redirect address used during sign-in is not sufficiently validated, which could allow authentication results to be sent to an attacker-controlled location.

Vulnerability class: Open Redirect

Published 2026-11-07 · last modified 2026-11-07.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

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

IBM API Connect

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

www.ibm.com/support/pages/node/7295635 (vendor-advisory, patch)
www.ibm.com/support/pages/node/7295637 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-17297?: CVE-2026-17297 is a critical-severity vulnerability in IBM API Connect, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 9.6/10. Published 2026-11-07.
How severe is CVE-2026-17297?: Critical severity. CVSS v3 base score is 9.6 out of 10.