Path Traversal in Cisco License On-Prem
CVE-2026-76454
A vulnerability in the Cisco Smart Licensing Utility API of Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), could allow an unauthenticated, remote attacker to write arbitrary files to the system or cause a DoS condition on an affected application. This vulnerability is due to improper input validation and a lack of authentication in the management API. An attacker could exploit this vulnerability by sending a crafted request to the affected API. A successful exploit could allow the attacker to modify system files or cause a DoS condition.
Published .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Cisco License On-Prem — versions 1.1, 1.2, 1.3
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-76454?
- CVE-2026-76454 is a critical-severity vulnerability in Cisco License On-Prem, classified under Relative Path Traversal. CVSS score: 9.1/10. Published 2026-10-07.
- How severe is CVE-2026-76454?
- Critical severity. CVSS v3 base score is 9.1 out of 10.