---
id: CVE-2026-116191
title: Rclone before 1.75.2 Path Traversal via serve webdav MKCOL
summary: >-
  Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav
  that allows unauthenticated attackers to write above the served root by
  sending an unvalidated '..' path component. Attackers can send MKCOL /.. to
  plant a VFS …
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'
cvssSource: cna
cwe:
  - CWE-22
vendor: rclone
product: rclone
affected:
  - rclone < 1.75.2
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-26T15:43:15.573699Z'
exploitAvailable: true
published: '2026-10-25'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T16:42:11.109Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116191'
references:
  - url: 'https://github.com/rclone/rclone/security/advisories/GHSA-44pm-2q5p-fm63'
    label: GitHub Security Advisory (GHSA-44pm-2q5p-fm63)
  - url: >-
      https://www.vulncheck.com/advisories/rclone-before-1.75.2-path-traversal-via-serve-webdav-mkcol
    label: >-
      VulnCheck Advisory: Rclone before 1.75.2 Path Traversal via serve webdav
      MKCOL
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-116191.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-116191'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2560410'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-116191'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-116191'
tags:
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
epss: 0.00388
epssPercentile: 0.32723
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/asvorg/CVE-2026-116191-poc'
  checkedAt: '2026-10-27T16:59:05.381Z'
ingestedAt: '2026-10-25T22:08:29.943Z'
---

## Overview

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

## Affected

- `rclone < 1.75.2`

## Remediation

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

## Vendor advisories

- **Red Hat VEX** · Important · affected: Cryostat 4, Red Hat Advanced Cluster Management for Kubernetes 2 · no fix planned: Cryostat 4, Red Hat Advanced Cluster Management for Kubernetes 2 · updated 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-116191.json)
