What’s Vulnerable › Vulnerabilities
CVE-2026-79856: Unauthenticated Buffer Overflow Vulnerability leads to Authentication Bypass in AOS-8
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-22 · updated 2026-10-26
- Weakness: CWE-119
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.
Affected products
- Hewlett Packard Enterprise (HPE) ArubaOS (AOS): from 8.13.0.0 through 8.13.3.0; from 8.10.0.0 through 8.10.0.23
References
Get alerted when CVE-2026-79856 or the next vulnerability affects your stack