Vulnerability · Published Sep 20, 2026 · Assigned by VulDB
CVE-2026-940310-Gaurav-0 nexus-mcp nexus_reauth MCP tool browser.ts child_process.exec command injection
Medium 6.3
In plain English
A medium-severity command injection in nexus-mcp from 0-Gaurav-0. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Official description
A vulnerability was detected in 0-Gaurav-0 nexus-mcp aed0026e7ac1f23dc940e46e9fd3a2da6904f914. Affected by this issue 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 results in command injection. The attack may be performed from remote. The exploit is now public and may be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 0-Gaurav-0 | nexus-mcp | aed0026e7ac1f23dc940e46e9fd3a2da6904f914 |
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-407959 | 0-Gaurav-0 nexus-mcp nexus_reauth MCP tool browser.ts child_process.exec command injection vdb-entry, technical-description
- VDB-407959 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-94031 | CVE Analysis and Report third-party-advisory
- Submit #945942 | 0-Gaurav-0 nexus-mcp aed0026e7ac1f23dc940e46e9fd3a2da6904f914 Command Injection third-party-advisory
- https://github.com/0-Gaurav-0/nexus-mcp/issues/1 issue-tracking
- https://github.com/Xh1Xxhg/public_exp/issues/1 exploit, issue-tracking
- https://github.com/0-Gaurav-0/nexus-mcp/ product