CVE-2026-23822

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

State
Published
Severity
5.3 Medium
Published
May 12, 2026
Updated
May 12, 2026
Reserved
Jan 16, 2026

Read the record on cve.org

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

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:Hhpe

Weaknesses

  • CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Affected Products

ProductVersions
ArubaOS (AOS)Hewlett Packard Enterprise (HPE)
  • 8.13.0.0 through 8.13.1.1Affected
  • 8.12.0.0 through 8.12.0.6Affected
  • 8.10.0.0 through 8.10.0.21Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.