Path Traversal in Cisco Identity Services Engine Software

CVE-2026-76424

A vulnerability in the REST API of Cisco ISE could allow an authenticated, remote attacker to upload or copy arbitrary files on an affected device. This vulnerability is due to insufficient validation in file operations. An attacker could exploit this vulnerability by uploading a file with a crafted path. A successful exploit could allow the attacker to upload files to arbitrary locations and execute arbitrary commands as root on the affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-76424?
CVE-2026-76424 is a high-severity vulnerability in Cisco Identity Services Engine Software, classified under Relative Path Traversal. CVSS score: 7.2/10. Published 2026-09-16.
How severe is CVE-2026-76424?
High severity. CVSS v3 base score is 7.2 out of 10.