PatchTheCVECVE-2026-23822: A vulnerability in the XML handling component of AOS-8 DHCP services could allow an unauthenticated remote att
CVE-2026-23822 is a medium-severity flaw (CVSS 5.3) affecting arubaos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 82%) |
| CISA exploited list | No |
| Weakness | CWE-776 |
| Published | 2026-05-12 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-23822?
arubaos: upgrade to 8.10.0.22, 8.12.0.7, 8.13.1.2. Exact commands for each OS are on this page.
Is CVE-2026-23822 being exploited?
CVE-2026-23822 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-23822 affect?
CVE-2026-23822 affects arubaos. Severity is medium (CVSS 5.3). 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 consum
How urgent is CVE-2026-23822?
Priority 23/100. No elevated risk signals yet.
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