Local File Inclusion in esm.sh

{
  "id": "98c3ee9c478ed75e2a51a738506525796a9926eb46f9b16f8e3136471bf19e66",
  "url": "https://osv.dev/vulnerability/CVE-2025-59341",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Local File Inclusion in esm.sh",
    "summary": "esm.sh is a nobuild content delivery network(CDN) for modern web development. In 136 and earlier, a Local File Inclusion (LFI) issue was identified in the esm.sh service URL handling. An attacker could craft a request that causes the server to read and return files from the host filesystem (or other unintended file sources).",
    "evidence": "osv:CVE-2025-59341",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-59341",
      "aliases": [
        "CVE-2025-59341",
        "GHSA-49pv-gwxp-532r",
        "GO-2025-3962"
      ],
      "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/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/esm-dev/esm.sh",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "1ad31b6352bb0a064ece812f6f360e4850e16051"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "136"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v136",
            "v135_1",
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-59341.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.264190887Z",
      "provider": "osv",
      "references": [
        "https://github.com/esm-dev/esm.sh/blob/c62f191d32639314ff0525d1c3c0e19ea2b16143/server/router.go#L1168",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59341.json",
        "https://github.com/esm-dev/esm.sh/security/advisories/GHSA-49pv-gwxp-532r",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-59341"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-23"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59341.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-59341",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 492884,
  "published_at": "2025-09-17T17:55:25.827+00:00"
}