@mobilenext/mobile-mcp alllows arbitrary file write via Path Traversal in mobile screen capture tools

{
  "id": "0e23b9473195119cbfda36e4d8abddf9df765e32948980e3e0b6653db74e4589",
  "url": "https://osv.dev/vulnerability/CVE-2026-33989",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "@mobilenext/mobile-mcp alllows arbitrary file write via Path Traversal in mobile screen capture tools",
    "summary": "Mobile Next is an MCP server for mobile development and automation. Prior to version 0.0.49, the `@mobilenext/mobile-mcp` server contains a Path Traversal vulnerability in the `mobile_save_screenshot` and `mobile_start_screen_recording` tools. The `saveTo` and `output` parameters were passed directly to filesystem operations without validation, allowing an attacker to write files outside the intended workspace. Version 0.0.49 fixes the issue.",
    "evidence": "osv:CVE-2026-33989",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-33989",
      "aliases": [
        "CVE-2026-33989",
        "GHSA-3p2m-h2v6-g9mx"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mobile-next/mobile-mcp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "40a8e768219f2469fec426ca19da0c6c6e75f08e"
                },
                {
                  "fixed": "f5e32295903128c1e71cf915ae6c0b76c7b0153b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mobilenexthq:mobile_mcp:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.0.49"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f5e32295903128c1e71cf915ae6c0b76c7b0153b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "40a8e768219f2469fec426ca19da0c6c6e75f08e"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "0.0.49"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.0.48",
            "0.0.47",
            "0.0.46",
            "0.0.45",
            "0.0.44",
            "0.0.42",
            "0.0.41",
            "0.0.40",
            "0.0.36",
            "0.0.35",
            "0.0.34",
            "0.0.33",
            "0.0.32",
            "0.0.31",
            "0.0.30",
            "0.0.29",
            "0.0.28",
            "0.0.27",
            "0.0.26",
            "0.0.25",
            "0.0.24",
            "0.0.23",
            "0.0.22",
            "0.0.21",
            "0.0.20",
            "0.0.18",
            "0.0.17",
            "0.0.16",
            "0.0.15",
            "0.0.14",
            "0.0.12",
            "0.0.11",
            "0.0.9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33989.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.510732380Z",
      "provider": "osv",
      "references": [
        "https://github.com/mobile-next/mobile-mcp/releases/tag/0.0.49",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33989.json",
        "https://github.com/mobile-next/mobile-mcp/security/advisories/GHSA-3p2m-h2v6-g9mx",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-33989",
        "https://github.com/mobile-next/mobile-mcp/commit/f5e32295903128c1e71cf915ae6c0b76c7b0153b"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22",
          "CWE-73"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33989.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-33989",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489962,
  "published_at": "2026-03-27T22:03:01.801+00:00"
}