CVE-2026-76434
Reported by cisco · Published September 16, 2026
A vulnerability in the certificate import functionality of the web-based management interface of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to read arbitrary files from the affected system. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to insufficient validation of user-supplied input by the affected feature. 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 read arbitrary files from the affected device, which could contain sensitive information.
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 17, 2026 CVE Updated
- Sep 18, 2026 EPSS Score