CVE-2026-23822

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

Published May 12, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Arubanetworks
Arubanetworks arubaos
CPEs cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:*
Vendors & Products Arubanetworks
Arubanetworks arubaos
Type Values Removed Values Added
First Time appeared Hpe
Hpe arubaos
Vendors & Products Hpe
Hpe arubaos
Type Values Removed Values Added
Weaknesses CWE-611
Type Values Removed Values Added
Weaknesses CWE-611
Type Values Removed Values Added
Weaknesses CWE-776
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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
Title Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hpe
Published
Updated
May 12, 2026, 7:25 PM
Reserved
Jan 16, 2026, 3:22 PM
Status
Analyzed
Published
May 12, 2026, 7:16 PM
Modified
Oct 26, 2026, 6:10 PM