API CONNECT V12 ONPREM · CVE-2026-17320 · Vendor
FIX → 12.1.1.3 ✓ verified
IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain an insecure direct object reference flaw. A logged-in attacker can request objects belonging to others and obtain sensitive information.
first public Nov 7, 2026 · 2 sources
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Self-hosted IBM API Connect V12 OnPrem deployments on 12.1.0.0 to 12.1.1.2 are exposed to a logged-in remote user who can request objects belonging to others and read sensitive information (insecure direct object reference). Teams on other versions or not running API Connect V12 OnPrem can skip it. IBM does not name the specific endpoint.
Not affected if auth-required, outside-affected-range, outside-affected-versions
Who cares api-gateway, ibm-api-connect, self-hosted
v12.1.0.0 through v12.1.1.2 is affected; v12.1.1.3 is fixedIBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to an insecure direct object reference.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
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Upgrade to 12.1.1.3
v12.1.1.3 (Fix Central: https://www.ibm.com/support/pages/node/7290205)