CVE-2026-16920

Summary

A confused deputy vulnerability in IBM API Connect allows an authenticated low-privileged user to bypass security restrictions by tricking the system into performing unauthorized actions on their behalf.

Exploitability

Exploitation requires valid authentication and low privileges, with no user interaction needed; difficulty is moderate due to reliance on internal logic flaws rather than direct input manipulation.

Blast radius

Successful exploitation could lead to full compromise of confidentiality, integrity, and availability across the API management platform, potentially affecting downstream services and data.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Upgrade to IBM API Connect 12.1.1.3 or later, which contains the official fix for this confused deputy issue (CWE-441).

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.