Missing Authentication for Critical Function in Cisco License On-Prem (formerly Cisco Smart Software Manager) - CVE-2026-76480
Published: October 9, 2026
Vulnerability identifier: #VU154029
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76480
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information, modify protected information, and cause a denial of service.
The vulnerability exists due to missing authentication for critical functions in Cisco License On-Prem when critical functions are accessed over the network. A remote attacker can access critical functions without authentication to disclose sensitive information, modify protected information, and cause a denial of service.
The issue is present regardless of software configuration. No user interaction is required.
Affected software
Cisco License On-Prem (formerly Cisco Smart Software Manager)
How to mitigate CVE-2026-76480
Install security update from vendor's website.
Cisco License On-Prem (formerly Cisco Smart Software Manager) - update to 10-202609