Unauthenticated buffer overflow in ArubaOS PAPI causes denial of service
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
An unauthenticated buffer overflow in the PAPI protocol of HPE Aruba Networking ArubaOS (AOS-8) lets a remote attacker disrupt the availability of the affected service on the controller, with limited impact to integrity. ArubaOS 8.13.0.0 through 8.13.3.0 and 8.10.0.0 through 8.10.0.23 are affected. The flaw is classified as CWE-119. CISA's SSVC assessment lists exploitation as none, and the vulnerability is not in CISA KEV.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Description from the CNA
An unauthenticated buffer overflow vulnerability exists in the PAPI protocol of AOS-8. Successful exploitation could allow an unauthenticated remote attacker to disrupt the availability of the affected service on the controller, with a limited impact to its integrity.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hewlett Packard Enterprise (HPE) | ArubaOS (AOS) | 8.13.0.0 – 8.13.3.0; 8.10.0.0 – 8.10.0.23 | — | No fix listed | CNA |
- ArubaOS (AOS) VendorHewlett Packard Enterprise (HPE) Affected 8.13.0.0 – 8.13.3.0; 8.10.0.0 – 8.10.0.23 Fixed in — No fix listed CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:* | — | — | Arubanetworks |
- cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:* Versions — — ·Arubanetworks
Remediation
The sources list no fixed version for ArubaOS (AOS).
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Timeline
- 2026-10-22 Threatist record created from CVE-2026-79886
- 2026-10-22 Alias added: GHSA-65qq-xchp-v7p8
- 2026-10-23 Priority changed: MEDIUM → LOW
- 2026-10-23 Affected versions changed · CNA
- 2026-11-02 Weakness changed · CISA ADP
- 2026-11-02 CISA SSVC decision points changed
- 2026-11-02 Priority changed: LOW → MEDIUM
References
More Hewlett Packard Enterprise (HPE) vulnerabilities
- TI-2025-25062 A remote code execution issue exists in HPE OneView. KEVCVSS 3.1CRITICAL 10.0
- TI-2017-03684 Improper privilege management in Intel Active Mangement Technology, Intel Small Business… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
- TI-2024-35876 Path traversal in Hewlett Packard Enterprise (HPE) HPE Insight Remote Support CVSS 3.1CRITICAL 9.8
- TI-2020-05748 A security vulnerability in HPE Smart Update Manager (SUM) prior to version 8.5.6 could… CVSS 3.1CRITICAL 9.8
- TI-2024-35875 XML injection in Hewlett Packard Enterprise (HPE) HPE Insight Remote Support CVSS 3.1HIGH 7.5
Sources
- CVE-2026-79886 · CVE Program
- CVE-2026-79886 · NVD
- FIRST EPSS
- GHSA-65qq-xchp-v7p8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences