TI-2026-79349 Aliases CVE-2026-79856 GHSA-5x4g-4q46-f9mw

Buffer overflow in ArubaOS PAPI lets attackers bypass authentication

MEDIUM 50CWE-119Published 2026-10-22 · Updated 2026-10-24

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

HPE ArubaOS (AOS) from 8.13.0.0 through 8.13.3.0 and from 8.10.0.0 through 8.10.0.23 is affected. A buffer overflow in the PAPI protocol (CWE-119) lets an unauthenticated remote attacker circumvent existing authentication controls. Successful exploitation could allow the attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

A buffer overflow vulnerability exists in the PAPI protocol of AOS-8 that could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00611 49th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

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 · 2026-10-28

Timeline

2026-10-22 Threatist record created from CVE-2026-79856
2026-10-22 Alias added: GHSA-5x4g-4q46-f9mw
2026-10-23 Affected versions changed · CNA
2026-10-23 Weakness changed · CISA ADP
2026-10-23 CISA SSVC decision points changed
2026-10-24 CISA SSVC decision points changed

References

Other 1

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US

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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

See all 927 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences