Auth bypass in IBM API Connect
CVE-2026-16711
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 inject platform credentials into outbound requests due to improper input validation. A validation check is not sufficiently strict, which could cause platform credentials to be included in outbound requests.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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
- 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-2026-16711?
- CVE-2026-16711 is a medium-severity vulnerability in IBM API Connect, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-11-07.
- How severe is CVE-2026-16711?
- Medium severity. CVSS v3 base score is 5.3 out of 10.