Vulnerability · Published Oct 22, 2026 · Assigned by hpe

CVE-2026-79885Unauthenticated File Write Vulnerability leads to Denial-of-Service in AOS-8

High 8.2

In plain English

A high-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 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.4%top 70.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An unauthenticated file write vulnerability exists in the PAPI protocol in AOS-8. Successful exploitation could allow an unauthenticated remote attacker to make limited modifications to files on the affected system and to disrupt the availability of the affected service.

Affected products (as reported)

VendorProductVersions
Hewlett Packard Enterprise (HPE) ArubaOS (AOS) 8.13.0.0 – through 8.13.3.08.10.0.0 – through 8.10.0.23

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

References