CVE-2026-23822CWE-776

CVE-2026-23822

Medium · published May 12, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
17.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00263 · 17.2th percentile
Weakness
CWE-776 · Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Published
2026-05-12T23:16Z
Affected products (4)
ProductVersionsFixed in
arubanetworks/arubaos≥ 6.4.0.0, ≤ 6.5.4.24—
arubanetworks/arubaos≥ 8.4.0.0, < 8.10.0.228.10.0.22
arubanetworks/arubaos≥ 8.11.0.0, < 8.12.0.78.12.0.7
arubanetworks/arubaos≥ 8.13.0.0, < 8.13.1.28.13.1.2
References (1)
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US · [email protected]
EPSS history
Timeline
  • 12 MAY 18:37Z
    Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service
    cvelistv5