CVE-2026-79801 Hewlett Packard Enterprise (HPE) CVE debrief

Who should care

System administrators and security teams responsible for HPE ClearPass Policy Manager Client Agent deployments should assess exposure and prioritize remediation due to the critical severity and potential for remote code execution.

Why it matters

CVE-2026-79801 is a critical vulnerability in HPE ClearPass Policy Manager Client Agent that allows remote code execution. System administrators and security teams should assess exposure, prioritize remediation, and verify affected versions to prevent exploitation.

• Remote code execution could lead to unauthorized access and control of affected systems.
• Successful exploitation could result in data breaches or disruption of critical services.
• Verification of affected versions and application of patches is crucial to prevent exploitation.
• Inventory checks and monitoring are necessary to detect potential security incidents.

Technical summary

A missing integrity verification vulnerability in the client agent software of HPE Networking ClearPass Policy Manager could allow an unauthenticated remote attacker to introduce untrusted code, potentially leading to remote code execution on the affected client system. The vulnerability is critical, with a CVSS score of 9.8, and system administrators and security teams should assess exposure and prioritize remediation. The CVE record and source item provide details on the vulnerability, but limited information is available on affected versions and remediation.

Defensive priority

High priority for verification and remediation due to critical severity and potential for remote code execution.

Recommended defensive actions

• Verify and apply vendor-provided patches for affected versions of ClearPass Policy Manager Client Agent.
• Restrict access to the affected system and monitor for suspicious activity.
• Review and update inventory to identify potentially affected systems.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on affected versions and remediation. Defenders should verify affected scope, severity, and vendor guidance. Review compensating controls for exposed systems while remediation is scheduled and verified. Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Sources and 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.