CVE-2026-76498 Missing authorization in Cisco Application Policy Infrastructure Controller (APIC)
Attackers can bypass access controls in Cisco APIC due to improper authorization checks, potentially gaining unauthorized access to network management functions.
- 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-2026-76498?
CVE-2026-76498 is a critical missing authorization vulnerability in Cisco Application Policy Infrastructure Controller (APIC), 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 Cisco Application Policy Infrastructure Controller (APIC) engineering team 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-2026-76498 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.
Weakness: CWE-284
Which versions are affected by CVE-2026-76498?
How do I fix CVE-2026-76498?
No fix has been published for CVE-2026-76498 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-76498 being exploited?
There is no known exploitation of CVE-2026-76498 in the wild and no public exploit code.
Sources
Also known as GHSA-3p58-9w7j-33mj.