CiscoCVE-2026-76460
Cisco ISE Passive Identity Connector: authentication bypass
Critical10.0CVE-2026-76460 · Published Sep 16, 2026 · updated Sep 25, 2026
A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request to an affected API endpoint. A successful exploit could allow the attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Cisco ISE Passive Identity Connector Product | <= 3.4.0 | No fix yet |
| <= 3.5.0 | No fix yet | |
| Cisco Identity Services Engine Software Product | <= 3.1.0 p8 | No fix yet |
| <= 3.1.0 p9 | No fix yet | |
| <= 3.3 Patch 2 | No fix yet | |
| <= 3.3 Patch 1 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-648
More Cisco advisories
All Cisco| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 16 | Cisco ISE Passive Identity Connector: SQL injection | Medium4.9 | No fix yet |
| Sep 16 | Cisco ISE Passive Identity: authenticated, remote attacker could conduct an SQL... | Medium4.9 | No fix yet |
| Sep 16 | Cisco ISE Passive Identity: authenticated, remote attacker could conduct an SQL... | Medium4.9 | No fix yet |
| Sep 16 | Cisco ISE Passive Identity Connector: XML external entity | Medium4.9 | No fix yet |
| Sep 16 | Cisco ISE Passive Identity Connector: missing authentication | Medium5.3 | No fix yet |
| Sep 16 | Cisco ISE Passive Identity Connector: SQL injection | Medium4.9 | No fix yet |