Vulnerability intelligence
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.
CVSS Score
9.1
Critical
EPSS — Exploit Probability
—
Awaiting FIRST.org data · checked 2026-10-07
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered Oct 7, 2026 · latest Oct 7, 2026
Coverage timeline
-
Cisco Patches Critical Flaw That Could Break License On-Prem Securitysecurityonline.info · Oct 7, 2026