All vulnerabilities
CVE-2026-79873

ArubaOS (AOS): Unauthenticated Adjacent Authentication Bypasses in the PAPI Protocol of AOS-10 Leads to Unauthorized Administrative Access

Hewlett Packard Enterprise (HPE) ArubaOS (AOS)
CVSS
9.3Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.16%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published22 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Description

Authentication bypass vulnerabilities in the PAPI protocol of AOS-10 could allow an unauthenticated adjacent 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 on affected devices.

Text from CVE List

Affected versions 3

  • ArubaOS (AOS)affected: 10.8.0.0 through 10.8.1.1CVE List
  • ArubaOS (AOS)affected: 10.7.0.0 through 10.7.2.6CVE List
  • ArubaOS (AOS)affected: 10.4.0.0 through 10.4.1.13CVE List

References 1