CVE-2026-23822: Arubanetworks Arubaos

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in the XML handling component of AOS-8 DHCP services could allow an unauthenticated remote attacker to trigger a denial-of-service condition. Successful exploitation could allow an attacker to cause excessive resource consumption upon user interaction, leading to service disruption or reduced availability of the affected system. NOTE: This vulnerability only impacts Access Points running AOS Instant 8.x.x.x

Affected products

• Arubanetworks Arubaos: from 6.4.0.0, up to and including 6.5.4.24; from 8.4.0.0, before 8.10.0.22 (fixed in 8.10.0.22); from 8.11.0.0, before 8.12.0.7 (fixed in 8.12.0.7); from 8.13.0.0, before 8.13.1.2 (fixed in 8.13.1.2)

Published 2026-05-12. Last modified 2026-08-12.