CVE-2026-23822 — Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service

Description (CNA)

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 (CNA)

Vendor / product	Versions
Hewlett Packard Enterprise (HPE) / ArubaOS (AOS)	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=hpesbnw05049en_us&docLocale=en_US

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.