CVE-2026-76480 Cisco License On-Prem Security Hardening Release
Improper authentication flaws in Cisco License On-Prem allow attackers to bypass security controls, requiring immediate patching.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76480?
CVE-2026-76480 is a critical authentication bypass vulnerability in Cisco License On-Prem, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
As part of Cisco's ongoing commitment to proactive security and product quality, the engineering team for Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76480 are related to issues with improper authentication that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-306.
Weakness: CWE-306
Which versions are affected by CVE-2026-76480?
How do I fix CVE-2026-76480?
No fix has been published for CVE-2026-76480 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-76480 being exploited?
There is no known exploitation of CVE-2026-76480 in the wild and no public exploit code.
Sources
Also known as GHSA-mghj-vwpp-8x3f.