CVE-2026-44865: Arubanetworks ArubaOS RCE Vulnerability

CVE-2026-44865 Overview

CVE-2026-44865 describes command injection vulnerabilities in the web-based management interface of HPE Aruba Networking AOS-8 and AOS-10 operating systems. An authenticated remote attacker can leverage these flaws to execute arbitrary commands on the underlying operating system. The vulnerabilities affect ArubaOS and the Aruba SD-WAN product line, both widely deployed in enterprise wireless and branch networking environments. The issue is tracked under CWE-77 (Improper Neutralization of Special Elements used in a Command).

Critical Impact

Authenticated attackers can execute arbitrary operating system commands on Aruba controllers and SD-WAN gateways, leading to full device compromise and lateral movement into managed network segments.

Affected Products

• HPE Aruba Networking ArubaOS (AOS-8 and AOS-10)
• HPE Aruba Networking SD-WAN
• Devices exposing the web-based management interface

Discovery Timeline

• 2026-05-12 - CVE-2026-44865 published to the National Vulnerability Database (NVD)
• 2026-05-15 - Last updated in NVD database
• 2026-05-17 - EPSS score recorded at 0.151% (35.336 percentile)

Technical Details for CVE-2026-44865

Vulnerability Analysis

The vulnerabilities reside in the web-based management interface used to administer AOS-8 and AOS-10 devices. The interface accepts parameters that are passed to underlying shell or command execution routines without sufficient neutralization of special elements. An authenticated attacker with administrative or privileged access can inject operating system commands that run with the privileges of the management process. Successful exploitation results in compromise of confidentiality, integrity, and availability of the affected controller or gateway.

Because the management interface is reachable over the network, exploitation does not require local access. The high privilege requirement reflects that an attacker must first authenticate to the device. However, in environments where management credentials are shared, weak, or exposed through prior breaches, this barrier is reduced.

Root Cause

The root cause is improper neutralization of special elements used in a command, classified as [CWE-77]. User-controllable input reaching the web management layer is concatenated into command strings executed by the underlying operating system. Without proper input validation, sanitization, or use of parameterized execution APIs, attacker-supplied metacharacters break out of intended argument boundaries and introduce additional commands.

Attack Vector

An attacker authenticates to the AOS-8 or AOS-10 web management interface over the network. The attacker then submits crafted input to a vulnerable management endpoint. The injected payload is interpreted by the operating system shell, executing attacker-controlled commands in the context of the management service. From this foothold, an attacker can pivot to configuration tampering, credential extraction, traffic interception, or lateral movement into protected network segments.

No public proof-of-concept exploit code has been published. Technical specifics are described in prose only; see the HPE Security Document for vendor-provided details.

Detection Methods for CVE-2026-44865

Indicators of Compromise

• Unexpected child processes spawned by the AOS web management service, such as shell interpreters or system utilities invoked outside normal administrative workflows.
• New or modified files in writable system directories on Aruba controllers following management interface sessions.
• Outbound network connections originating from controller management plane processes to unfamiliar destinations.
• Audit log entries showing administrative API calls with anomalous parameter values containing shell metacharacters such as ;, |, &&, or backticks.

Detection Strategies

• Inspect HTTP/HTTPS requests to the AOS management interface for metacharacters and command-substitution patterns in parameter values.
• Correlate authenticated admin sessions with subsequent process creation events on the controller to identify command execution outside normal management actions.
• Baseline normal management API usage and alert on outlier sequences of administrative calls from a single session.

Monitoring Recommendations

• Forward Aruba controller syslog and audit logs to a centralized SIEM and retain administrative session records for forensic review.
• Monitor authentication events for the management interface and alert on logins from unexpected source addresses or outside maintenance windows.
• Restrict the management interface to a dedicated out-of-band network and continuously monitor for policy violations.

How to Mitigate CVE-2026-44865

Immediate Actions Required

• Apply the fixed AOS-8 and AOS-10 software versions identified in the HPE Security Document to all affected controllers and SD-WAN gateways.
• Rotate administrative credentials for any device whose management interface was reachable from untrusted networks.
• Audit recent administrative activity on AOS-8 and AOS-10 devices for evidence of command injection attempts.
• Restrict management interface access to a hardened, segmented administration network.

Patch Information

HPE Aruba Networking has published remediation guidance and fixed software versions in advisory hpesbnw05048en_us. Refer to the HPE Security Document for the authoritative list of patched releases for AOS-8, AOS-10, and SD-WAN. Operators should plan maintenance windows to upgrade controllers and SD-WAN gateways at the earliest opportunity.

Workarounds

• Limit web management interface exposure to trusted management VLANs and source IP allowlists using firewall or controller ACLs.
• Enforce role-based access control so that only the minimum number of administrators hold privileges sufficient to reach the vulnerable endpoints.
• Require multi-factor authentication for administrative logins to reduce the risk of credential reuse leading to exploitation.
• Disable the web-based management interface where command-line or out-of-band management alternatives are sufficient.

# Example: restrict the Aruba management interface to a dedicated admin subnet
# (apply within the controller configuration; adapt to your environment)
ip access-list session mgmt-restrict
  user alias admin-subnet alias controller svc-https permit
  user any alias controller svc-https deny
!
firewall-cp
  ipv4 deny any any svc-https
  ipv4 permit <admin-subnet>/<mask> any svc-https