0-Gaurav-0 nexus-mcp aed0026e7ac1f23dc940e46e9fd3a2da6904f914 nexus_reauth MCP tool src/auth/browser.ts child_process.exec url command injection

Summaryinfo

A vulnerability classified as critical has been found in 0-Gaurav-0 nexus-mcp aed0026e7ac1f23dc940e46e9fd3a2da6904f914. This affects the function child_process.exec of the file src/auth/browser.ts of the component nexus_reauth MCP tool. This manipulation of the argument url causes command injection. The identification of this vulnerability is CVE-2026-94031. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in 0-Gaurav-0 nexus-mcp aed0026e7ac1f23dc940e46e9fd3a2da6904f914. It has been declared as critical. Affected by this vulnerability is the function child_process.exec of the file src/auth/browser.ts of the component nexus_reauth MCP tool. The manipulation of the argument url with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-94031. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Artificial Intelligence Software

Vendor

• 0-Gaurav-0

Name

• nexus-mcp

Version

• aed0026e7ac1f23dc940e46e9fd3a2da6904f914

Website

• Product: https://github.com/0-Gaurav-0/nexus-mcp/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #945942: 0-Gaurav-0 nexus-mcp aed0026e7ac1f23dc940e46e9fd3a2da6904f914 Command Injection (by Xh1Xxhg)

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