CVE-2026-23822
Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | hewlett packard enterprise (hpe) |
| Product | arubaos (aos) |
| Published | May 12, 2026 |
| Last Updated | May 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Hewlett Packard Enterprise (HPE) / ArubaOS (AOS)
8.13.0.0 ≤ 8.13.1.1 8.12.0.0 ≤ 8.12.0.6 8.10.0.0 ≤ 8.10.0.21
References
Credits
🔍 Nicholas Starke