CVE-2026-47612 in Dynamo
Summary
by MITRE • 08/04/2026
NVIDIA Dynamo for Linux contains a vulnerability in the image loading component where an attacker may cause improper limitation of a pathname to a restricted directory. A successful exploit of this vulnerability might lead to information disclosure.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 08/04/2026
The vulnerability in NVIDIA Dynamo for Linux resides within its image loading component, specifically concerning pathname handling and directory traversal limitations. This flaw represents a critical security weakness that could be exploited by malicious actors to access restricted system directories and potentially obtain sensitive information. The issue stems from inadequate validation of file paths during the image loading process, allowing attackers to manipulate pathname parameters in ways that bypass intended security boundaries.
From a technical perspective, this vulnerability manifests as improper limitation of pathname traversal within the image processing pipeline. When NVIDIA Dynamo processes image files, it fails to adequately sanitize or validate the absolute or relative pathnames provided by users or external sources. This allows an attacker to craft malicious input that could traverse beyond the intended directory boundaries and access restricted system locations. The flaw is particularly concerning because it operates at the file system level where sensitive data resides, potentially exposing configuration files, system logs, or other confidential information.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates potential pathways for further exploitation within the target environment. An attacker who successfully exploits this weakness could gain access to system configuration details, user credentials stored in image metadata, or other sensitive data that might be embedded within image files. This vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, and represents a classic path traversal attack vector. The implications are particularly severe for systems where NVIDIA Dynamo is used for processing untrusted image inputs from external sources.
Security practitioners should approach mitigation through multiple layers of defense to address this vulnerability effectively. The primary recommendation involves implementing strict input validation and sanitization within the image loading component to prevent any form of pathname manipulation. Additionally, deploying proper access controls and privilege separation can limit the damage if exploitation occurs. Organizations should also consider implementing network segmentation and monitoring solutions that can detect anomalous file system access patterns indicative of path traversal attempts. The vulnerability demonstrates the importance of following secure coding practices and adheres to ATT&CK technique T1059.007 for command and scripting interpreter, as attackers might use this weakness to execute unauthorized commands through manipulated image processing workflows. Regular security updates and patches from NVIDIA should be prioritized, while implementing application whitelisting can provide additional protection against exploitation attempts targeting this specific vulnerability in the image loading component.
This vulnerability highlights the broader challenge of securing multimedia processing components within operating systems, where complex file format parsers often introduce attack surfaces that require careful security consideration. The flaw represents a common pattern in software development where input validation is insufficient for handling potentially malicious file path data, particularly when dealing with user-supplied content in image processing applications.