CVE-2026-20311 | Cisco IOS XE Software up to 26.2.1ea Web-based Management Interface certificate validation

A vulnerability labeled as problematic has been found in Cisco IOS XE Software. This vulnerability affects unknown code of the component Web-based Management Interface. Such manipulation leads to improper certificate validation.

This vulnerability is uniquely identified as CVE-2026-20311. The attack can be launched remotely. No exploit exists.

The affected component should be upgraded.