---
id: CVE-2026-48099
title: WsgiDAV is a generic and extendable WebDAV server based on WSGI
summary: >-
  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 lay…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L'
cwe:
  - CWE-22
vendor: wsgidav
product: wsgidav
affected:
  - wsgidav <= 4.3.3
patched:
  - wsgidav 4.3.4
published: '2026-08-13'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T21:02:22.660'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-48099'
references:
  - url: >-
      https://github.com/mar10/wsgidav/commit/f894ed8656d7bdd7438ab8148c5a02546cb15183
    label: security-advisories@github.com
  - url: 'https://github.com/mar10/wsgidav/security/advisories/GHSA-wxq4-cc2q-338q'
    label: security-advisories@github.com
  - url: >-
      https://github.com/pypa/advisory-database/tree/main/vulns/wsgidav/PYSEC-2026-3428.yaml
    label: security-advisories@github.com
  - url: 'https://github.com/advisories/GHSA-wxq4-cc2q-338q'
tags:
  - nvd
  - ghsa
  - pip
epss: 0.00411
epssPercentile: 0.32478
aliases:
  - GHSA-wxq4-cc2q-338q
ecosystem: pip
ingestedAt: '2026-07-07T15:41:59.289Z'
---

## Overview

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

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Package advisory (CVE-2026-48099)

Affected packages:

- `wsgidav <= 4.3.3`

Patched in:

- `wsgidav 4.3.4`

Source: https://github.com/advisories/GHSA-wxq4-cc2q-338q