CVE-2026-48099

WsgiDAV encoded dot segments can escape filesystem share roots

Published Aug 13, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-wxq4-cc2q-338q WsgiDAV encoded dot segments can escape filesystem share roots
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mar10
Mar10 wsgidav
Vendors & Products Mar10
Mar10 wsgidav
Type Values Removed Values Added
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.
Title WsgiDAV encoded dot segments can escape filesystem share roots
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 14, 2026, 4:35 PM
Reserved
May 20, 2026, 6:40 PM
Status
Deferred
Published
Aug 13, 2026, 8:17 PM
Modified
Sep 9, 2026, 9:02 PM