Path traversal in Cisco Identity Services Engine (ISE) - CVE-2026-76434

 

Path traversal in Cisco Identity Services Engine (ISE) - CVE-2026-76434

Published: September 17, 2026


Vulnerability identifier: #VU150686
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76434
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to read arbitrary files.

The vulnerability exists due to insufficient validation of user-supplied input in the certificate import functionality of the web-based management interface when processing certificate import requests. A remote privileged user can send a crafted request to the web-based management interface to read arbitrary files.


Affected software

Cisco Identity Services Engine (ISE)

How to mitigate CVE-2026-76434

Install security update from vendor's website.

Cisco Identity Services Engine (ISE) - addressed in versions 3.3 Patch 12, 3.4 Patch 7, 3.5 Patch 4

External References

Related Security Bulletins