Critical severity · published Oct 22, 2026
CVE-2026-79870
Authentication Bypass leads to Unauthorized Access in AOS-8
New
9.6
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
ArubaOS (AOS) · Hewlett Packard Enterprise (HPE)
8.13.0.0 through 8.13.3.0; 8.10.0.0 through 8.10.0.23 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-79870
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-79870
support.hpe.com
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US
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