---
id: CVE-2026-79873
title: >-
  Unauthenticated Adjacent Authentication Bypasses in the PAPI Protocol of
  AOS-10 Leads to Unauthorized Administrative Access
summary: >-
  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 …
severity: critical
cvss: 9.3
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N'
cvssSource: cna
vendor: Hewlett Packard Enterprise (HPE)
product: ArubaOS (AOS)
affected:
  - arubaos_aos >= 10.8.0.0 <= 10.8.1.1
  - arubaos_aos >= 10.7.0.0 <= 10.7.2.6
  - arubaos_aos >= 10.4.0.0 <= 10.4.1.13
published: '2026-10-22'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T19:13:20.543Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-79873'
references:
  - url: >-
      https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US
tags:
  - cve.org
epss: 0.00244
epssPercentile: 0.15501
ingestedAt: '2026-10-22T22:00:50.381Z'
---

## Overview

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

- `arubaos_aos >= 10.8.0.0 <= 10.8.1.1`
- `arubaos_aos >= 10.7.0.0 <= 10.7.2.6`
- `arubaos_aos >= 10.4.0.0 <= 10.4.1.13`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.