Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 16/09/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| identity services engine | = 3.1.0= 3.2.0= 3.3.0= 3.4.0= 3.5.0 | |
| identity services engine passive identity connector | = 3.1.0= 3.2.0= 3.3.0= 3.4.0 |
A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request to an affected API endpoint. A successful exploit could allow the attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.
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