Description
No description provided
Published: 2026-10-22
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Authentication Bypass via Unauthenticated Buffer Overflow
Action: Patch Immediately
AI Analysis

Impact

The vulnerability is a buffer overflow that can be triggered without authentication, allowing an attacker to bypass authentication controls in the AOS-8 product. This permits the attacker to assume any user role, potentially compromising confidentiality and integrity of the system. The description is limited, but the advisory indicates the primary impact is an authentication bypass via a buffer overflow flaw.

Affected Systems

The affected vendor is Hewlett Packard Enterprise, with the specific product not listed in the advisory. No affected version information is included in the advisory; therefore, version details are unknown.

Risk and Exploitability

The CVSS score of 9.8 indicates a critical severity classification. The lack of an EPSS score does not diminish the high potential for exploitation; the vulnerability can be triggered without authentication, implying a remote exploitation path. Although it is not yet listed in CISA’s KEV catalogue, the combination of high severity and the possibility of unrestricted access makes this issue a high priority for remediation.

Generated by OpenCVE AI on October 23, 2026 at 04:59 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Review the HPE advisory link and apply the vendor-specified patch or update to the latest AOS-8 release as soon as possible.
  • Immediately restrict network access to the AOS-8 interface to trusted hosts or IP ranges to reduce the attack surface until a patch can be applied.
  • Increase logging and monitoring of authentication attempts on AOS-8, and implement alerting for unusual or repeated failed authentication events to detect potential bypass attempts.

Generated by OpenCVE AI on October 23, 2026 at 04:59 UTC.

Tracking

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Advisories

No advisories yet.

History

Fri, 23 Oct 2026 05:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
CWE-287

Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Description No description provided
Title Unauthenticated Buffer Overflow Vulnerability leads to Authentication Bypass in AOS-8
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: hpe

Published:

Updated: 2026-10-22T19:05:05.250Z

Reserved: 2026-08-25T14:47:36.508Z

Link: CVE-2026-79856

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-22T19:17:57.857

Modified: 2026-10-22T19:17:57.857

Link: CVE-2026-79856

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T05:00:15Z

Weaknesses
  • CWE-120

    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

  • CWE-287

    Improper Authentication