{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "4.3.4"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f894ed8656d7bdd7438ab8148c5a02546cb15183"
            }
          ],
          "repo": "https://github.com/mar10/wsgidav",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-wxq4-cc2q-338q"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-22"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48099.json"
  },
  "details": "WsgiDAV is a generic and extendable WebDAV server based on WSGI. WsgiDAV 4.3.3 and prior can allow a WebDAV request path containing an encoded parent-directory segment to escape the configured filesystem share root in a specific path layout. The issue is fixed with version 4.3.4.",
  "id": "CVE-2026-48099",
  "modified": "2026-08-16T03:31:25.311294898Z",
  "published": "2026-08-13T19:15:01.942Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48099.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/mar10/wsgidav/security/advisories/GHSA-wxq4-cc2q-338q"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/wsgidav/PYSEC-2026-3428.yaml"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48099"
    },
    {
      "type": "FIX",
      "url": "https://github.com/mar10/wsgidav/commit/f894ed8656d7bdd7438ab8148c5a02546cb15183"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "WsgiDAV encoded dot segments can escape filesystem share roots"
}