#VU126397 Path traversal in Cisco Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) - CVE-2026-20148
Published: April 17, 2026
Vulnerability identifier: #VU126397
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-20148
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Identity Services Engine (ISE)
ISE Passive Identity Connector (ISE-PIC)
Cisco Identity Services Engine (ISE)
ISE Passive Identity Connector (ISE-PIC)
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.
Remediation
Install updates from vendor's website.