CVE-2026-20300
Cisco Identity Services Engine SQL Injection Vulnerability
Description
A vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to read or modify data in the underlying database.
Weakness: CWE-89
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 Identity Services Engine SQL Injection Vulnerabilities
Cisco’s rating: High (advisory CVSS 7.5) · Published Sep 16, 2026
Bug IDs: CSCwu26088 , CSCwu27707
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from