RCE in 0-Gaurav-0 Nexus-Mcp
CVE-2026-94031
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- 0-Gaurav-0 Nexus-Mcp — versions aed0026e7ac1f23dc940e46e9fd3a2da6904f914
Weakness classification (CWE)
References
- github.com/0-Gaurav-0/nexus-mcp/ (product)
- github.com/0-Gaurav-0/nexus-mcp/issues/1 (issue-tracking)
- github.com/Xh1Xxhg/public_exp/issues/1 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-94031 (third-party-advisory)
- vuldb.com/submit/945942 (third-party-advisory)
- vuldb.com/vuln/407959 (technical-description, vdb-entry)
- vuldb.com/vuln/407959/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-94031?
- CVE-2026-94031 is a medium-severity vulnerability in 0-Gaurav-0 Nexus-Mcp, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-09-20.
- How severe is CVE-2026-94031?
- Medium severity. CVSS v3 base score is 6.3 out of 10.