XXE in Hewlett Packard Enterprise (Hpe) Arubaos (Aos)

CVE-2026-23822

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 consu…

EPSS: 0.001 (22.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-23822?
CVE-2026-23822 is a medium-severity vulnerability in Hewlett Packard Enterprise (Hpe) Arubaos (Aos), classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 5.3/10. Published 2026-05-12.
How severe is CVE-2026-23822?
Medium severity. CVSS v3 base score is 5.3 out of 10.