Vulnerability · Published Oct 22, 2026 · Assigned by hpe

CVE-2026-79883Unauthenticated Adjacent Buffer Overflow Vulnerability in the PAPI Protocol leads to Sensitive Information Disclosure in AOS-10

High 8.3

In plain English

A high-severity buffer overflow 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 13% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.2%top 87.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A buffer overflow vulnerability in the PAPI protocol of HPE Networking AOS-10 could allow an unauthenticated adjacent attacker to access sensitive information. Successful exploitation could allow an attacker to retrieve information which could be used to potentially gain further access to network services supported by AOS-10, and to interrupt the normal operation of the affected service.

Affected products (as reported)

VendorProductVersions
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-120 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

References