Vulnerability · Published Oct 22, 2026 · Assigned by hpe
CVE-2026-79866Unauthenticated Adjacent Path Traversal Vulnerability leads to Filesystem Compromise in AOS-8
Critical 9.6
In plain English
A critical-severity path traversal in ArubaOS (AOS) from Hewlett Packard Enterprise (HPE). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.3%top 80.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthenticated path traversal vulnerability exists in the PAPI protocol in AOS-8. Successful exploitation of this vulnerability could allow an unauthenticated adjacent attacker to read, modify, and delete files on the underlying operating system.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hewlett Packard Enterprise (HPE) | ArubaOS (AOS) | 8.13.0.0 – through 8.13.3.08.10.0.0 – through 8.10.0.23 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H