VDB
CVE-2026-76423
CVE-2026-76423
PUBLISHED
CVSS 10 CRITICAL
Reported by cisco · Published September 16, 2026
A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request to the exposed REST API port. A successful exploit could allow the attacker to read and modify ISE configuration and identity data with administrative privileges.
Risk Scores
CVSS 3.1
10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Identity Services Engine Software | 3.1.0, 3.1.0 p1, 3.1.0 p3 |
| Cisco | Cisco ISE Passive Identity Connector | 3.2.0, 3.1.0, 3.3.0 |
| Cisco | Cisco ISE Passive Identity Connector | 3.2.0, 3.1.0, 3.3.0 |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p4, 3.1.0 p5, 3.2.0 p1 |
Timeline
- Sep 16, 2026 Coalition ESS Score
- Sep 16, 2026 CVE Published