DeepWiki-Open through commit d92819a Unauthenticated Arbitrary File Read via /codemap/file

{
  "id": "d1f972dc3840564b465c7dba13106bc3790765bdb5f8e8c40e555c1b2f22d631",
  "url": "https://osv.dev/vulnerability/CVE-2026-103591",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DeepWiki-Open through commit d92819a Unauthenticated Arbitrary File Read via /codemap/file",
    "summary": "DeepWiki-Open through commit d92819a contains an unauthenticated arbitrary file read vulnerability in the GET /codemap/file endpoint via the repo_url parameter. Attackers can supply a non-URL repo_url value to bypass path containment checks and read any file accessible to the API process by specifying absolute file paths.",
    "evidence": "osv:CVE-2026-103591",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-103591",
      "aliases": [
        "CVE-2026-103591"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/AsyncFuncAI/deepwiki-open",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "d92819a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "d92819a"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103591.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.979435559Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103591.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-103591",
        "https://www.vulncheck.com/advisories/deepwiki-open-through-commit-d92819a-unauthenticated-arbitrary-file-read-via-codemap-file",
        "https://github.com/AsyncFuncAI/deepwiki-open/issues/590",
        "https://github.com/AsyncFuncAI/deepwiki-open",
        "https://github.com/AsyncFuncAI/deepwiki-open/blob/d92819a9c9f3b99416e3580ff235fc9d3adf8b89/api/repository.py",
        "https://github.com/AsyncFuncAI/deepwiki-open/blob/d92819a9c9f3b99416e3580ff235fc9d3adf8b89/api/routers/codemap.py",
        "https://github.com/AsyncFuncAI/deepwiki-open/blob/d92819a9c9f3b99416e3580ff235fc9d3adf8b89/api/services/codemap.py"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-73"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103591.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-103591",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518392,
  "published_at": "2026-09-30T23:02:35.721+00:00"
}