PatchTheCVECVE-2026-73781: A vulnerability in the web-based management interface of AOS-CX could allow an authenticated remote attacker t
CVE-2026-73781 is a high-severity flaw (CVSS 8.4) affecting arubaos-cx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability in the web-based management interface of AOS-CX could allow an authenticated remote attacker to conduct a stored cross-site scripting (XSS) attack against an administrative user of the interface. A successful exploit allows an attacker to execute arbitrary script code in a victim's browser in the context of the affected interface.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.4 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 56%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-09-01 |
| Last modified | 2026-09-04 |
Last updated 2026-09-04 · 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-2026-73781?
arubaos-cx: upgrade to newer than 10.17.1021. Exact commands for each OS are on this page.
Is CVE-2026-73781 being exploited?
CVE-2026-73781 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-2026-73781 affect?
CVE-2026-73781 affects arubaos-cx. Severity is high (CVSS 8.4). A vulnerability in the web-based management interface of AOS-CX could allow an authenticated remote attacker to conduct a stored cross-site scripting (XSS) attack against an administrative user of the interface. A successful exploit allows
How urgent is CVE-2026-73781?
Priority 40/100. High severity
Related CVEs
- CVE-2026-44880 HIGH 8.8 UPGRADE A buffer overflow vulnerability was found in the command line interface of AOS-CX
- CVE-2026-63454 HIGH 7.2 UPGRADE An authenticated path traversal vulnerability exists in AOS-CX
- CVE-2026-63453 HIGH 7.2 UPGRADE Buffer overflow vulnerabilities exist in the command line interface of AOS-CX
- CVE-2026-73783 MEDIUM 4.9 UPGRADE Stack overflow vulnerabilities exist in an API endpoint of AOS-CX
- CVE-2026-73749 CRITICAL 9.8 UPGRADE Multiple vulnerabilities exist in a daemon of AOS-CX that may allow for improper processing of malformed input