0-Gaurav-0 nexus-mcp nexus_reauth MCP tool browser.ts child_process.exec command injection

{
  "id": "5743aa2d101de208b3e9ab054c9d1d6fc7515ecd948758832eba4c11a2cd45d3",
  "url": "https://osv.dev/vulnerability/CVE-2026-94031",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "0-Gaurav-0 nexus-mcp nexus_reauth MCP tool browser.ts child_process.exec command injection",
    "summary": "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.",
    "evidence": "osv:CVE-2026-94031",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-94031",
      "aliases": [
        "CVE-2026-94031"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/0-gaurav-0/nexus-mcp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "aed0026e7ac1f23dc940e46e9fd3a2da6904f914"
                },
                {
                  "last_affected": "aed0026e7ac1f23dc940e46e9fd3a2da6904f914"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "aed0026e7ac1f23dc940e46e9fd3a2da6904f914"
                      },
                      {
                        "last_affected": "aed0026e7ac1f23dc940e46e9fd3a2da6904f914"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  }
                ]
              }
            }
          ],
          "versions": [
            "aed0026e7ac1f23dc940e46e9fd3a2da6904f914"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-94031.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:48.974073089Z",
      "provider": "osv",
      "references": [
        "https://github.com/0-Gaurav-0/nexus-mcp/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94031.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-94031",
        "https://vuldb.com/cve/CVE-2026-94031",
        "https://vuldb.com/submit/945942",
        "https://vuldb.com/vuln/407959",
        "https://github.com/0-Gaurav-0/nexus-mcp/issues/1",
        "https://github.com/Xh1Xxhg/public_exp/issues/1",
        "https://vuldb.com/vuln/407959/cti"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-74",
          "CWE-77"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94031.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-94031",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517523,
  "published_at": "2026-09-20T14:00:10.406+00:00"
}