Observable Response Discrepancy in Cisco Identity Services Engine (ISE) - CVE-2026-20195
Published: May 7, 2026
Vulnerability identifier: #VU130288
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20195
CWE-ID: CWE-204
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to error messages are observed when the affected API endpoint is called. A remote attacker can gain unauthorized access to sensitive information on the system.
Affected software
Cisco Identity Services Engine (ISE)
How to mitigate CVE-2026-20195
Install updates from vendor's website.
Cisco Identity Services Engine (ISE) - addressed in versions 3.3 Patch 11, 3.4 Patch 6, 3.5 Patch 3