---
id: CVE-2026-79870
title: Authentication Bypass leads to Unauthorized Access in AOS-8
summary: >-
  An authentication bypass vulnerability in the PAPI protocol of AOS-8 could
  allow an unauthenticated adjacent attacker to circumvent existing
  authentication controls. Successful exploitation could allow an attacker to
  gain administrative …
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'
cvssSource: cna
vendor: Hewlett Packard Enterprise (HPE)
product: ArubaOS (AOS)
affected:
  - arubaos_aos >= 8.13.0.0 <= 8.13.3.0
  - arubaos_aos >= 8.10.0.0 <= 8.10.0.23
published: '2026-10-22'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T19:13:16.552Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-79870'
references:
  - url: >-
      https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US
tags:
  - cve.org
epss: 0.0027
epssPercentile: 0.19058
ingestedAt: '2026-10-22T22:00:50.381Z'
---

## Overview

An authentication bypass vulnerability in the PAPI protocol of AOS-8 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, access or manipulate sensitive data, and disrupt network operations.

## Affected

- `arubaos_aos >= 8.13.0.0 <= 8.13.3.0`
- `arubaos_aos >= 8.10.0.0 <= 8.10.0.23`

## Remediation

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