What is CVE-2026-16716?

CVE-2026-16716 is a high-severity vulnerability in IBM API Connect, classified under CWE-1259. CVSS score: 8.8/10. Published 2026-11-07.

How severe is CVE-2026-16716?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in IBM API Connect

CVE-2026-16716

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 bypass security restrictions to access and modify sensitive information due to improper restriction of security token assignment.

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

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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-1259

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-2026-16716?: CVE-2026-16716 is a high-severity vulnerability in IBM API Connect, classified under CWE-1259. CVSS score: 8.8/10. Published 2026-11-07.
How severe is CVE-2026-16716?: High severity. CVSS v3 base score is 8.8 out of 10.