CVE-2026-20286
Cisco Identity Services Engine Authorization Bypass Vulnerability
Description
A vulnerability in the web-based management interface of Cisco Identify Services Engine (ISE) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. This vulnerability is due to the lack of server-side validation of Administrator permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid Administrator credentials.
Weakness: CWE-285
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Identity Services Engine (ISE) Check your version | Identity / IAM / MFA | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Identity Services Engine Software
Vendor advisory
cisco-sa-ise-auth-bypass-1-MxcTNgwx
Cisco Identity Services Engine Authorization Bypass Vulnerabilities
Cisco’s rating: Medium (advisory CVSS 4.3) · Published Sep 16, 2026
Bug IDs: CSCwt62639 , CSCwt62644
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from