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Vulnerability record · CVE-2026-48099 · published 13 August 2026

CVE-2026-48099: Path traversal vulnerability

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.

7.1 CVSS 3.1 High EPSS 0.41% · top 67.3% CWE-22 · Path traversal Deferred
7.1CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
9 Sep 2026Last modified by NVD

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:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-48099), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.