PT-2026-40339 · Aruba · Instant Aos

Nicholas Starke · Published 2026-05-12 · Updated 2026-05-12 · CVE-2026-23822

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions AOS Instant versions 8.x.x.x

Description A flaw in the XML handling component of AOS-8 DHCP services allows an unauthenticated remote attacker to trigger a denial-of-service condition. This occurs through excessive resource consumption upon user interaction, which can lead to service disruption or reduced system availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

XML Entity Expansion

Weakness Enumeration

CWE-776

Related Identifiers

CVE-2026-23822

Affected Products

Instant Aos

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-23822 · Security Note
• https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US · Note
• https://twitter.com/CVEnew/status/2054340954056790078 · Twitter Post