What is CVE-2026-23819?

CVE-2026-23819 is a high-severity vulnerability in Arubanetworks Arubaos, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-05-12.

How severe is CVE-2026-23819?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Arubanetworks Arubaos

CVE-2026-23819

A vulnerability in the web-based management interface of Access Points running AOS-10 and AOS-8 Instant could allow an unauthenticated remote attacker to execute arbitrary JavaScript code in a victim's browser within the same local network. Successful exploitation could allow an attacker to compromise user data and potentially manipulate device configuration settings.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (18.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Arubanetworks Arubaos — versions 10.8.0.0
Hewlett Packard Enterprise (Hpe) Arubaos (Aos) — versions 10.8.0.0, 10.7.0.0, 10.4.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-alert@hpe.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-23819?: CVE-2026-23819 is a high-severity vulnerability in Arubanetworks Arubaos, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-05-12.
How severe is CVE-2026-23819?: High severity. CVSS v3 base score is 8.8 out of 10.