External risk intelligence

NVIDIA NemoClaw Installation Vulnerability Allows Untrusted Code Execution.

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-65081

The vulnerability exists specifically within the installation process of the software. Installation and setup procedures are typically performed by local administrators or developers in isolated, non-production environments and are not exposed to the public internet.

Information Disclosure

Nvidia Nemoclaw

0.0.21 and earlier

Halo Surface Signal: 1 out of 5 — much less likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

NVIDIA NemoClaw for Linux has a vulnerability in its installation that could allow an attacker to execute untrusted code. This might lead to broad impacts including code execution, privilege escalation, data tampering, information disclosure, and denial of service. The primary concern is confirming if this software is used within your environment.

  • Installation flaws could let attackers run code.
  • Confirms our software usage and potential exposure.
  • Assess if NemoClaw is deployed in your environment.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by targeting the installation process of NVIDIA NemoClaw for Linux. Since no authentication or user interaction is required, an attacker with network access could potentially execute untrusted code during the installation, leading to serious consequences like privilege escalation or data tampering.

  • Network access required.
  • Vulnerable during installation.
  • Allows code execution, privilege escalation.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in NVIDIA NemoClaw for Linux's installation process could allow an attacker to execute untrusted code, potentially leading to unauthorized code execution, privilege escalation, data tampering, information disclosure, or denial of service when supported by the advisory.

  • System files and integrity.
  • Untrusted code execution during installation.
  • Compromised system or data.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in NVIDIA NemoClaw's installation process requires immediate attention from teams responsible for application deployments and system integrity. The first step is to identify all systems where NemoClaw might have been installed, assess exposure, and pinpoint the accountable owner for remediation. Given the potential for code execution and privilege escalation, a thorough review of affected assets and a planned response are critical.

  • Identify NemoClaw installations and ownership.
  • Verify untrusted code execution risk.
  • Plan remediation based on asset criticality.

Supplementary metadata

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Frequently asked questions

What is NVIDIA NemoClaw?

NVIDIA NemoClaw is a software component designed for Linux environments. It is typically used for specialized computational tasks and workflow management. This vulnerability specifically affects the software's installation process, which is the procedure used to set up the application on a system.

What does CVE-2026-65081 mean for software security?

This vulnerability is classified as CWE-494, which refers to 'Download of Code Without Integrity Check.' In the context of CVE-2026-65081, it means the installation process may accept and execute untrusted code. Because the software fails to verify the integrity of the files it installs, an attacker could potentially force the system to run malicious programs instead of the intended software.

How is the vulnerability triggered during installation?

The flaw is triggered by interacting with the installation routine. An attacker requires network access to the system where the installation is occurring. Critically, standard usage of the installed software after the setup is complete does not trigger this specific installation-phase bug; the risk is concentrated during the initial deployment or reconfiguration of NemoClaw.

Is my system at risk based on Halo Surface Signal?

Halo Surface Signal indicates that exploitation is very unlikely. This is because the vulnerability exists only during the installation process, which is generally performed by administrators in isolated, non-production environments. Because installations are rarely exposed to the public internet, the practical surface area for an attacker to reach the installation routine is significantly limited.

Do I need to check my systems for NemoClaw?

Yes, your first step should be to conduct an inventory to identify where NVIDIA NemoClaw is installed across your infrastructure. Once you have identified these assets, review who owns these deployments and determine if any installations were performed in environments accessible via the network. Prioritize this review to maintain the integrity of your systems and ensure no unauthorized code was introduced during setup.

References