Path Traversal in Cisco Identity Services Engine Software

CVE-2026-76432

A vulnerability in the web-based management interface of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker with administrative-level privileges to write arbitrary files on an affected device. This vulnerability exists because the affected software does not properly validate directory traversal character sequences in a user-supplied file path during the upload process. An attacker could exploit this vulnerability by uploading a crafted file to the affected system. A successful exploit could allow the attacker to write files to an arbitrary location on the affected system.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-76432?
CVE-2026-76432 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-09-16.
How severe is CVE-2026-76432?
Medium severity. CVSS v3 base score is 4.9 out of 10.