External risk intelligence

Attackers can bypass security controls on NVIDIA NVFlare to steal data or take control of systems.

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-24178

An external attacker can exploit a flaw in the NVIDIA NVFlare Dashboard to bypass security controls and gain full administrative access. This allows unauthorized individuals to access restricted data, execute commands, or disrupt operations within your managed environment.

2Halo Surface Signal

Privilege Escalation

Nvidia Nvflare

before 2.7.2

External exposure likelihood

Halo Surface Signal score for CVE-2026-24178

The NVIDIA NVFlare Dashboard is a specialized management interface for federated learning, typically deployed within private research or enterprise environments. It is not designed for public-facing use, and its deployment pattern generally restricts network access to internal users. Consequently, public internet exposure is uncommon and generally considered a misconfiguration.

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability in NVIDIA NVFlare Dashboard allows an unauthenticated attacker to bypass user controls and potentially gain unauthorized access. An exploit could lead to significant compromise, including data tampering, information disclosure, and even code execution.

  • Systems can be accessed remotely.
  • Allows for privilege escalation.
  • Affects user management and authentication.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker can exploit this flaw by sending specially crafted requests to the NVFlare Dashboard's user management system. This bypasses authentication and allows them to escalate privileges, leading to unauthorized data access, modification, or even remote code execution on the targeted system.

  • Network access required.
  • Target NVFlare Dashboard.
  • User management vulnerability.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in NVIDIA NVFlare Dashboard, allowing unauthenticated attackers to bypass authorization via a user-controlled key, presents a significant risk due to its potential for privilege escalation, data tampering, information disclosure, code execution, and denial of service. While the impact is severe, the likelihood of widespread weaponization is tempered by the specialized nature of NVFlare. Attackers generally favor vulnerabilities in widely used software or systems directly exposed to the internet, making this a less attractive target for broad campaigns unless a specific, high-value organization using NVFlare is identified.

  • Specialized software target.
  • Limited direct internet exposure.
  • Exploit likely requires specific access.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize immediate isolation or shutdown of affected NVIDIA NVFlare Dashboard instances due to the critical authorization bypass vulnerability. This exploit allows unauthenticated attackers to achieve privilege escalation, data tampering, information disclosure, code execution, and denial of service. Given the potential for widespread impact and the lack of a specific patch version, focus on containment and robust monitoring.

  • Isolate NVFlare systems from untrusted networks.
  • Implement strict network access controls.
  • Monitor for anomalous user activity and access patterns.

Frequently asked questions

What is the primary function of NVIDIA NVFlare Dashboard and how does the identified vulnerability affect it?

NVIDIA NVFlare Dashboard is a specialized management interface designed for federated learning, typically used within private research or enterprise environments. The vulnerability (CVE-2026-24178) resides in its user management and authentication system, allowing an unauthenticated attacker to bypass authorization through a user-controlled key, potentially leading to privilege escalation, data tampering, information disclosure, code execution, and denial of service.

How can an attacker exploit the CVE-2026-24178 vulnerability in NVIDIA NVFlare Dashboard?

An unauthenticated attacker can exploit this vulnerability by sending specially crafted requests to the NVFlare Dashboard's user management system. This allows them to bypass authentication mechanisms via a user-controlled key, leading to privilege escalation and unauthorized access to sensitive data or system control.

What are the potential consequences of a successful exploit of the NVIDIA NVFlare Dashboard vulnerability?

A successful exploit of the NVIDIA NVFlare Dashboard vulnerability can result in severe consequences, including privilege escalation, data tampering, information disclosure, remote code execution, and denial of service. These impacts allow attackers to gain unauthorized control over the targeted system and its data.

What is the Halo Surface Signal assessment for CVE-2026-24178, and why is it rated 'Unlikely' for widespread exploitation?

The Halo Surface Signal assesses CVE-2026-24178 as 'Unlikely' for widespread exploitation because NVIDIA NVFlare Dashboard is a specialized tool for federated learning, usually deployed in private, internal networks. Its design and typical deployment restrict public internet access, making it a less attractive target for broad attack campaigns compared to widely exposed software.

What immediate actions should be taken to mitigate the risks associated with the NVIDIA NVFlare Dashboard vulnerability?

To mitigate the risks, affected NVIDIA NVFlare Dashboard instances should be immediately isolated or shut down. Strict network access controls should be implemented, and robust monitoring for anomalous user activity and access patterns is crucial. Given the critical nature and lack of a specific patch, containment and monitoring are the primary responses.

References