Authentication Bypass leads to Unauthorized Access in AOS-8

published 2026-10-22 17 d ago modified 2026-11-02 6 d ago also EUVD-2026-108370

cvss: 9.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 6 d ago (2026-11-02)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.6	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Hewlett Packard Enterprise (HPE) ArubaOS (AOS)

Classification

Weakness

CWE-287 Improper Authentication

References

support.hpe.com /hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US

Sources

CVE List CVE-2026-79870
NVD CVE-2026-79870

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary