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Vulnerabilities

Vulnerability · CVE-2026-23599

A local privilege-escalation vulnerability has been discovered in the HPE Aruba Networking ClearPass OnGuard Software for Linux.

Published Feb 17, 2026 · catalog updated Feb 18, 2026 · Hewlett Packard Enterprise (HPE) HPE Aruba Networking ClearPass Policy Manager

Last checked Nov 13, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-23599. EPSS is 0.16%. Act only if a listed version of Hewlett Packard Enterprise (HPE) HPE Aruba Networking ClearPass Policy Manager is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Vendor / distro source
Affected products
vendor Hewlett Packard Enterprise (HPE) HPE Aruba Networking ClearPass Policy Manager 6.11.0 ≤6.11.13

A local privilege-escalation vulnerability has been discovered in the HPE Aruba Networking ClearPass OnGuard Software for Linux. Successful exploitation of this vulnerability could allow a local attacker to achieve arbitrary code execution with root privileges.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Hewlett Packard Enterprise (HPE) HPE Aruba Networking ClearPass Policy Manager 6.11.0 ≤6.11.136.11.0 ≤6.11.13

How to fix CVE-2026-23599

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-23599. EPSS is 0.16%. Act only if a listed version of Hewlett Packard Enterprise (HPE) HPE Aruba Networking ClearPass Policy Manager is installed.

Which versions are affected?

Compare what you have installed with Hewlett Packard Enterprise (HPE) HPE Aruba Networking ClearPass Policy Manager 6.11.0 ≤6.11.13 6.11.0 ≤6.11.13. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 17, 2026 · EUVD

    Detected

    A local privilege-escalation vulnerability has been discovered in the HPE Aruba Networking ClearPass OnGuard Software for Linux. Successful exploitation of this vulnerability could allow a local attacker to achieve arbitrary code execution with root privileges.

  2. Feb 18, 2026 · EUVD

    Updated

    A local privilege-escalation vulnerability has been discovered in the HPE Aruba Networking ClearPass OnGuard Software for Linux. Successful exploitation of this vulnerability could allow a local attacker to achieve arbitrary code execution with root privileges.

Sources

  • CVE.orgVulnerability recordCVE-2026-23599

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-23599

    30-day exploitation probability 0.16%

    first.org
  • EUVDVulnerability recordEUVD-2026-8064

    A local privilege-escalation vulnerability has been discovered in the HPE Aruba Networking ClearPass OnGuard Software for Linux. Successful exploitation of this vulnerability could allow a local attacker to achieve arbitrary code execution with root privileges.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 13, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 13, 2026
  • CVE.orgNov 9, 2026
  • EUVDNov 9, 2026