CVE-2026-20237 | Cisco Identity Services Engine input validation

September 16, 2026 Yanac

A vulnerability marked as very critical has been reported in Cisco Identity Services Engine and ISE Passive Identity Connector. Affected by this vulnerability is an unknown functionality. The manipulation leads to improper input validation.

This vulnerability is traded as CVE-2026-20237. It is possible to initiate the attack remotely. There is no exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More