Patchfirst
CVE-2026-79866 Critical · 9.6 EPSS 0.2%

An unauthenticated path traversal vulnerability exists in the PAPI protocol in AOS-8

Hewlett Packard Enterprise (HPE) · ArubaOS (AOS)

Summary

An unauthenticated path traversal vulnerability in the PAPI protocol of ArubaOS (AOS) from Hewlett Packard Enterprise (HPE), specifically in its AOS-8 line, lets an attacker escape intended directory boundaries. An unauthenticated attacker on an adjacent network can read, modify, and delete files on the underlying operating system, with no user interaction and no valid credentials required.

Official description · NVD

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.

Breakdown
11.7 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 22 Oct 2026. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 6 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

1 link, grouped by NVD tag
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