CVE-2026-76431
Reported by cisco · Published September 16, 2026
A vulnerability in the file management function of the web-based management interface of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to delete arbitrary files and directories on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of directory traversal character sequences in a user-supplied file path before the request is validated. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to delete arbitrary files and directories on the underlying operating system of the affected device.
Risk Scores
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 p7, 3.3.0, 3.2.0 p3 |
Timeline
- Sep 16, 2026 Coalition ESS Score
- Sep 16, 2026 CVE Published
- Sep 17, 2026 EPSS Score
- Sep 19, 2026 EPSS Score
- Sep 19, 2026 CVE Updated