Vulnerability · Published Oct 22, 2026 · Assigned by hpe
CVE-2026-79873Unauthenticated Adjacent Authentication Bypasses in the PAPI Protocol of AOS-10 Leads to Unauthorized Administrative Access
Critical 9.3
In plain English
A critical-severity improper authentication in ArubaOS (AOS) from Hewlett Packard Enterprise (HPE). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Official description
Authentication bypass vulnerabilities in the PAPI protocol of AOS-10 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data on affected devices.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hewlett Packard Enterprise (HPE) | ArubaOS (AOS) | 10.8.0.0 – through 10.8.1.110.7.0.0 – through 10.7.2.610.4.0.0 – through 10.4.1.13 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N