CVE-2026-79866 — CRITICAL (9.6)

Vulnerability Description

An unauthenticated path traversal vulnerability exists in the PAPI protocol in AOS-8. Successful exploitation of this vulnerability could allow an unauthenticated adjacent attacker to read, modify, and delete files on the underlying operating system.

CVSS Score

9.6

CRITICAL

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-22

References

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

FAQ

What is CVE-2026-79866?

CVE-2026-79866 is a vulnerability with a CVSS score of 9.6 (CRITICAL). An unauthenticated path traversal vulnerability exists in the PAPI protocol in AOS-8. Successful exploitation of this vulnerability could allow an unauthenticated adjacent attacker to read, modify, an...

How severe is CVE-2026-79866?

CVE-2026-79866 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-79866?

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