CVE-2026-79856 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-119

References

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

FAQ

What is CVE-2026-79856?

CVE-2026-79856 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 a...

How severe is CVE-2026-79856?

CVE-2026-79856 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-79856?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.