Identity Services Engine
CVE-2026-76434: Cisco Identity Services Engine Arbitrary File Read Vulnerability
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.
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 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.2 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.2 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.2 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.3 | See the advisory |
| Cisco Identity Services Engine Software 3.2 | See the advisory |
| Cisco Identity Services Engine Software 3.2 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.2 | See the advisory |
| Cisco Identity Services Engine Software 3.2 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 2 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 1 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 3 | See the advisory |
| Cisco Identity Services Engine Software 3.4 | See the advisory |
| Cisco Identity Services Engine Software 3.2 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 4 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 1 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 5 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 6 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 2 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 7 | 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 3.3 Patch 8 | See the advisory |
| Cisco Identity Services Engine Software 3.2 Patch 8 | See the advisory |
| Cisco Identity Services Engine Software 3.5 Patch 1 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 9 | See the advisory |
| Cisco Identity Services Engine Software 3.2 Patch 9 | 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 3.3 Patch 10 | See the advisory |
| Cisco Identity Services Engine Software 3.3 Patch 11 | See the advisory |
| Cisco Identity Services Engine Software 3.4 Patch 6 | See the advisory |
| Cisco Identity Services Engine Software 3.2 Patch 10 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco Identity Services Engine Software 3.1 | See the advisory |
| Cisco ISE Passive Identity Connector 3.2 | See the advisory |
| Cisco ISE Passive Identity Connector 3.1 | See the advisory |
| Cisco ISE Passive Identity Connector 3.3 | 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 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.
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.