CVE-2026-76454
CRITICAL
CVSS 9.1
Published: 2026-10-07
Modified: 2026-10-08
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Description
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.
Quick Facts
| CVE ID | CVE-2026-76454 |
| CVSS Score | 9.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| Published | 2026-10-07 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |