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CVE Vulnerability Details :
CVE-2026-23822
PUBLISHED
More InfoOfficial Page
Assigner-hpe
Assigner Org ID-eb103674-0d28-4225-80f8-39fb86215de0
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 18:37
Updated At-12 May, 2026 | 19:25
Rejected At-
▼CVE Numbering Authority (CNA)
Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service

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
Vendor
Hewlett Packard Enterprise (HPE)Hewlett Packard Enterprise (HPE)
Product
ArubaOS (AOS)
Default Status
affected
Versions
Affected
  • From 8.13.0.0 through 8.13.1.1 (semver)
  • From 8.12.0.0 through 8.12.0.6 (semver)
  • From 8.10.0.0 through 8.10.0.21 (semver)
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Nicholas Starke
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US
N/A
Hyperlink: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-776CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Type: CWE
CWE ID: CWE-776
Description: CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found