CVE-2026-23822 PUBLISHED

Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service

Assigner: hpe
Reserved: 16.01.2026 Published: 12.05.2026 Updated: 12.05.2026

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

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS Score: 5.3

Product Status

Vendor Hewlett Packard Enterprise (HPE)
Product ArubaOS (AOS)
Versions Default: affected
  • affected from 8.13.0.0 to 8.13.1.1 (incl.)
  • affected from 8.12.0.0 to 8.12.0.6 (incl.)
  • affected from 8.10.0.0 to 8.10.0.21 (incl.)

Credits

  • Nicholas Starke reporter

References