CVE-2026-20195: exploitation status and patch state

CVE-2026-20195 · CVSS 5.3 MEDIUM

A vulnerability in an identity management API endpoint of Cisco ISE could allow an unauthenticated, remote attacker to enumerate valid user accounts on an affected device. This vulnerability exists because error messages are observed when the affected API endpoint is called. An attacker could exploit this vulnerability by sending a series of crafted requests to the affected endpoint and analyzing the differentiated responses. A successful exploit could allow the attacker to compile a list of valid usernames on an affected system.

Is CVE-2026-20195 exploited?

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2026-20195

Primary sources

What this record does not say

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.