Summary
| Parameter | Value |
|---|---|
| CVE ID | CVE-2026-20186 |
| Alert Source | GitHub Advisory - Critical Vulnerability |
| CVE Publication Year | 2026 |
| Date Published | 2026-04-15 |
| Vendor | Cisco |
| Product | Identity Services Engine |
| CVSS Score | 9.9 (critical) |
| EPSS Score | No data |
| CISA KEV | No |
| Ransomware | Not confirmed |
Vulnerability Description
A vulnerability in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have at least Read Only Admin credentials.
This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the a…
Required Actions
Apply vendor patches or mitigations as soon as available.
Who Is Affected?
This vulnerability affects Identity Services Engine by Cisco. Check if your organization uses this software and requires updates.
Sources
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