Authentication Bypass in the SSH Daemon of AOS-8 leads to Complete System Compromise

published 2026-10-22 20d ago modified 2026-10-26 16d ago also EUVD-2026-108355

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

An authentication bypass vulnerability in the SSH daemon of AOS-8 allows an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation allows an attacker to gain administrative privileges leading to complete compromise of the AOS-8 host.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 20d ago (2026-10-23)

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Hewlett Packard Enterprise (HPE) ArubaOS (AOS)

Classification

Weakness

CWE-288 Authentication Bypass Using an Alternate Path or Channel

References

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

Sources

CVE List CVE-2026-79855
NVD CVE-2026-79855

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