CVE-2026-23811

MEDIUM

Client Isolation Mechanism - Auth Bypass

Title source: llm
STIX 2.1

Description

A vulnerability in the client isolation mechanism may allow an attacker to bypass Layer 2 (L2) communication restrictions between clients and redirect traffic at Layer 3 (L3). In addition to bypassing policy enforcement, successful exploitation - when combined with a port-stealing attack - may enable a bi-directional Machine-in-the-Middle (MitM) attack.

Scores

CVSS v3 4.3
EPSS 0.0002
EPSS Percentile 6.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-300
Status published
Products (8)
arubanetworks/arubaos 10.8.0.0
arubanetworks/arubaos 6.5.4.0 - 8.10.0.21
Hewlett Packard Enterprise (HPE)/HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) 10.4.0.0 - 10.4.1.10
Hewlett Packard Enterprise (HPE)/HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) 10.7.0.0 - 10.7.2.2
Hewlett Packard Enterprise (HPE)/HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) 10.8.0.0
Hewlett Packard Enterprise (HPE)/HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) 8.10.0.0 - 8.10.0.21
Hewlett Packard Enterprise (HPE)/HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) 8.12.0.0 - 8.12.0.6
Hewlett Packard Enterprise (HPE)/HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) 8.13.0.0 - 8.13.1.1
Published Mar 04, 2026
Tracked Since Mar 05, 2026