Vulnerability details
CVE-2026-79856
Hewlett Packard Enterprise (HPE) ArubaOS
Unauthenticated Buffer Overflow Vulnerability leads to Authentication Bypass in AOS-8
CVSS 3.1
9.8Critical
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (hpe) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Hewlett Packard Enterprise (HPE) | ArubaOS (AOS) | 8.10.0.0 ≤ v ≤ 8.10.0.23 | CVEProject cvelistV5 (CNA) |
| Hewlett Packard Enterprise (HPE) | ArubaOS (AOS) | 8.13.0.0 ≤ v ≤ 8.13.3.0 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-10-22
- Last updated
- 2026-10-24
- State
- Published
- Assigner (CNA)
- hpe
Exploit prediction (EPSS)
0.61%
Probability of exploitation in 30 days
49.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer