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PatchSiren cyber security CVE debrief

CVE-2026-79894 Hewlett Packard Enterprise (HPE) CVE debrief

CVE-2026-79894 is an unauthenticated Denial-of-Service (DoS) vulnerability in the PAPI protocol of AOS-8. Hewlett Packard Enterprise (HPE) ArubaOS (AOS) versions 8.13.0.0 through 8.13.3.0 and 8.10.0.0 through 8.10.0.23 are affected. Successful exploitation disrupts the availability of the affected interface. This vulnerability has a high severity and requires immediate attention from network administrators and security teams. The CVE Program and NVD provide official records of the vulnerability.

Vendor
Hewlett Packard Enterprise (HPE)
Product
ArubaOS (AOS)
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-22
Original CVE updated
2026-10-23
Advisory published
2026-10-22
Advisory updated
2026-10-23

Who should care

Network administrators and security teams responsible for HPE ArubaOS (AOS) deployments should assess exposure and potential impact. They must verify AOS versions, review network configurations, and prioritize remediation to prevent potential disruptions to network availability. Security teams should also consider implementing compensating controls to mitigate potential DoS attacks.

Why it matters

CVE-2026-79894 is a high-severity unauthenticated Denial-of-Service (DoS) vulnerability in the PAPI protocol of AOS-8. Network administrators and security teams should assess exposure and prioritize remediation to prevent potential disruptions to network availability.

  • Potential disruption of network availability due to DoS vulnerability.
  • Need to verify exposure and assess potential impact on network operations.
  • Prioritization of remediation efforts to prevent potential DoS attacks.

Technical summary

CVE-2026-79894 is an unauthenticated Denial-of-Service (DoS) vulnerability in the PAPI protocol of AOS-8. Successful exploitation disrupts the affected interface. Affected versions include HPE ArubaOS (AOS) 8.13.0.0 through 8.13.3.0 and 8.10.0.0 through 8.10.0.23.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact on network availability.

Recommended defensive actions

  • Verify exposure by checking AOS versions and assessing network configurations.
  • Assess potential impact on network availability and prioritize remediation.
  • Implement compensating controls to mitigate potential DoS attacks.

Evidence notes

The CVE Program and NVD provide official records of the vulnerability. HPE ArubaOS (AOS) versions 8.13.0.0 through 8.13.3.0 and 8.10.0.0 through 8.10.0.23 are affected.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79894 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79894

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-79894 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79894

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.