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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (60.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Cisco Identity Services Engine Software — versions 3.1.0, 3.1.0 p1, 3.1.0 p10
- Cisco Identity Services Engine — versions 3.3.0, 3.4.0, 3.5.0
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.