CVE-2019-11208: TIBCO API Exchange Gateway

Critical severity, CVSS 9.9. EPSS: 0.9% chance of exploitation in the next 30 days.

The authorization component of TIBCO Software Inc.'s TIBCO API Exchange Gateway, and TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric contains a vulnerability that theoretically processes OAuth authorization incorrectly, leading to potential escalation of privileges for the specific customer endpoint, when the implementation uses multiple scopes. This issue affects: TIBCO Software Inc.'s TIBCO API Exchange Gateway version 2.3.1 and prior versions, and TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric version 2.3.1 and prior versions.

Affected products

• TIBCO API Exchange Gateway: up to and including 2.3.1

Published 2019-08-08. Last modified 2026-06-17.