Apache Livy: Unauthorized directory access

{
  "id": "901ba65934776e846e0b15e659ba5b579736933e08fc7d5251229b19cc22114b",
  "url": "https://osv.dev/vulnerability/CVE-2025-66249",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache Livy: Unauthorized directory access",
    "summary": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache Livy. This issue affects Apache Livy: from 0.3.0 before 0.9.0. The vulnerability can only be exploited with non-default Apache Livy Server settings. If the configuration value \"livy.file.local-dir-whitelist\" is set to a non-default value, the directory checking can be bypassed. Users are recommended to upgrade to version 0.9.0, which fixes the issue.",
    "evidence": "osv:CVE-2025-66249",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-66249",
      "aliases": [
        "CVE-2025-66249",
        "GHSA-h84f-4ff9-8hc3"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/livy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e36b6f57cad6f52eb56f431517a35bc063ed3c5d"
                },
                {
                  "fixed": "7215f209b25b96488189567807eaded00953a492"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:livy:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.3.0"
                      },
                      {
                        "fixed": "0.9.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66249.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.765836574Z",
      "provider": "osv",
      "references": [
        "https://repo.maven.apache.org/maven2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66249.json",
        "https://lists.apache.org/thread/1xwphsfn4jbtym4k4o0zlvwfogwqwwc3",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-66249"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.3.0-incubating"
                  },
                  {
                    "fixed": "0.9.0-incubating"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66249.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-66249",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521804,
  "published_at": "2026-03-13T15:21:53.722+00:00"
}