CVE-2026-47613 in Dynamo
Summary
by MITRE • 08/04/2026
NVIDIA Dynamo for Linux contains a vulnerability where an attacker may cause improper limitation of a pathname to a restricted directory by supplying a crafted local path in a multimodal request. A successful exploit of this vulnerability might lead to information disclosure.
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Analysis
by VulDB Data Team • 08/04/2026
The vulnerability in NVIDIA Dynamo for Linux represents a critical path traversal flaw that arises from inadequate input validation within the multimodal request processing framework. This issue stems from the software's failure to properly sanitize or restrict local file paths submitted through multimodal requests, creating an environment where malicious actors can manipulate directory navigation sequences. The flaw manifests when the application processes user-supplied paths without sufficient boundary checks or canonicalization procedures, allowing attackers to construct adversarial pathnames that bypass intended directory restrictions.
From a technical perspective, this vulnerability operates at the intersection of improper input validation and privilege escalation pathways within the Linux file system architecture. The multimodal request processing mechanism likely accepts various input formats including local file references, which when improperly handled can lead to directory traversal operations. Attackers can exploit this by crafting malicious path sequences that appear legitimate but actually reference files outside the intended restricted directories through techniques such as directory traversal sequences or symbolic link manipulation. The vulnerability aligns with CWE-22 Path Traversal and CWE-73 Path Traversal, both of which are categorized under the broader category of improper input validation flaws.
The operational impact of this vulnerability extends beyond simple information disclosure to potentially enable more severe attacks within the system environment. An attacker who successfully exploits this weakness could access sensitive files, configuration data, or system resources that should remain restricted to authorized users only. The multimodal nature of the request processing increases the attack surface as multiple input vectors can be leveraged simultaneously, making detection and prevention more challenging for security monitoring systems. This type of vulnerability is particularly concerning in enterprise environments where NVIDIA Dynamo may be used for processing sensitive data or serving as part of larger security infrastructure components.
Organizations utilizing NVIDIA Dynamo for Linux should implement immediate mitigations including comprehensive input validation procedures that enforce strict path canonicalization, implement proper access controls through mandatory access control mechanisms, and deploy intrusion detection systems capable of identifying suspicious path traversal patterns. The remediation strategy should encompass both application-level fixes such as implementing proper path validation functions that reject non-compliant path sequences and system-level controls including restricting file system permissions for the application processes. Security teams should also consider deploying network-based protections that monitor for anomalous request patterns and implement principle of least privilege configurations to limit potential damage from successful exploitation attempts. This vulnerability demonstrates the critical importance of secure coding practices in multi-modal processing frameworks where multiple input sources must be rigorously validated before being processed by system components.
The ATT&CK framework categorizes this vulnerability under T1059 Command and Scripting Interpreter and T1566 Phishing, as attackers may leverage this weakness to gain access to sensitive information through crafted requests. Additionally, the vulnerability aligns with T1213 Data from Information Repositories which covers techniques for extracting data from repositories, and T1078 Valid Accounts which may be relevant if the application operates under privileged accounts that could provide broader system access. Organizations should also consider implementing process monitoring to detect abnormal file system access patterns and establish incident response procedures specifically designed to address path traversal vulnerabilities in multimedia processing frameworks.