Critical severity · published Oct 22, 2026
CVE-2026-79857
Unauthenticated Command Injection Vulnerability in AOS-8 PAPI Protocol
New
9.8
CVSS
1.4%
EPSS
No
On KEV
Description
There is a command injection vulnerability in the PAPI protocol (Aruba's access point management protocol) of AOS-8 that could lead to unauthenticated remote code execution by sending specially crafted packets to the affected UDP port. Successful exploitation of this vulnerability results in the ability to execute arbitrary code as a privileged user on the underlying operating system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% 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-2026-79857
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-79857
support.hpe.com
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US
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