Identity Services Engine
CVE-2026-76444: Cisco Identity Services Engine Information Disclosure Vulnerability
A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Cisco Identity Services Engine Software 3.4 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 1 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 2 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 3 | See the advisory |
| Cisco Identity Services Engine Software 3.5 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 4 | See the advisory |
| Cisco Identity Services Engine Software 3.5 Patch 1 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 5 | See the advisory |
| Cisco Identity Services Engine Software 3.5 Patch 3 | See the advisory |
| Cisco Identity Services Engine Software 3.5 Patch 2 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 6 | See the advisory |
| Cisco ISE Passive Identity Connector 3.4 | See the advisory |
| Cisco ISE Passive Identity Connector 3.5 | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device.
This vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device.
Exploitation
The Cisco PSIRT is aware that a public announcement is available for the vulnerabilities that are described in this advisory.
The Cisco PSIRT is not aware of any malicious use of the vulnerabilities that are described in this advisory.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.