CVE-2026-23808 — Client Isolation Bypass via GTK Manipulation

Description (CNA)

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 (CNA)

Vendor / product	Versions
Hewlett Packard Enterprise (HPE) / HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8)	affected 10.8.0.0; affected 10.7.0.0 through 10.7.2.2; affected 10.4.0.0 through 10.4.1.10; affected 8.13.0.0 through 8.13.1.1; affected 8.12.0.0 through 8.12.0.6; affected 8.10.0.0 through 8.10.0.21

CWE

No CWE identifiers supplied.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05026en_us&docLocale=en_US

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.