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OpenAdvisories
Medium · 5.4 CVE-2026-23808 EUVD-2026-9414GHSA-3xgp-5q28-4f22

Client Isolation Bypass via GTK Manipulation

Published Mar 4, 2026 · Updated Apr 1, 2026 · Assigned by hpe

Description

A vulnerability has been identified in a standardized wireless roaming protocol that could enable a malicious actor to install an attacker-controlled Group Temporal Key (GTK) on a client device. Successful exploitation of this vulnerability could allow a remote malicious actor to perform unauthorized frame injection, bypass client isolation, interfere with cross-client traffic, and compromise network segmentation, integrity, and confidentiality.

Affected products

VendorProductAffectedFixed
Hewlett Packard Enterprise (HPE) HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) 10.8.0.0, 10.7.0.0 – ≤ 10.7.2.2, 10.4.0.0 – ≤ 10.4.1.10, 8.13.0.0 – ≤ 8.13.1.1, 8.12.0.0 – ≤ 8.12.0.6, 8.10.0.0 – ≤ 8.10.0.21 —

Advisories 1

References