{"cve":"CVE-2026-48099","nvd":{"published":"2026-08-13T20:17:22.313","modified":"2026-09-09T21:02:22.660","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L","score":7.1},"cwes":["CWE-22"],"references":["https://github.com/mar10/wsgidav/commit/f894ed8656d7bdd7438ab8148c5a02546cb15183","https://github.com/mar10/wsgidav/security/advisories/GHSA-wxq4-cc2q-338q","https://github.com/pypa/advisory-database/tree/main/vulns/wsgidav/PYSEC-2026-3428.yaml"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:48:17.459049833+00:00"},"epss":{"cve":"CVE-2026-48099","score":0.00331,"percentile":0.26287,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wxq4-cc2q-338q","url":"https://osv.dev/vulnerability/GHSA-wxq4-cc2q-338q","summary":"WsgiDAV encoded dot segments can escape filesystem share roots","modified":"2026-07-13T16:43:31.113498793Z","packages":[{"ecosystem":"PyPI","name":"wsgidav","purl":"pkg:pypi/wsgidav","ranges":["<4.3.4"],"fixed":["4.3.4"]}]},{"id":"PYSEC-2026-3428","url":"https://osv.dev/vulnerability/PYSEC-2026-3428","summary":"WsgiDAV encoded dot segments can escape filesystem share roots","modified":"2026-07-13T16:33:27.849732925Z","packages":[{"ecosystem":"PyPI","name":"wsgidav","purl":"pkg:pypi/wsgidav","ranges":["<4.3.4"],"fixed":["4.3.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}