---
id: CVE-2026-82460
title: >-
  Cloud Commander before 19.20.2 contains a directory traversal vulnerability in
  REST file-operation and markdown endpoints that fails to properly validate
  path normalization
summary: >-
  Cloud Commander before 19.20.2 contains a directory traversal vulnerability in
  REST file-operation and markdown endpoints that fails to properly validate
  path normalization. Attackers can use path traversal sequences to read, write,
  move…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-22
published: '2026-08-29'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T20:43:32.537'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82460'
references:
  - url: 'https://github.com/coderaiser/cloudcmd'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/coderaiser/cloudcmd/blob/v19.20.1/server/root.js'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/coderaiser/cloudcmd/commit/b9bdc9ed528350eeb2f9ef974c18998096fae919
    label: disclosure@vulncheck.com
  - url: 'https://github.com/coderaiser/cloudcmd/issues/474'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/coderaiser/cloudcmd/releases/tag/v19.20.2'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/cloud-commander-before-19.20.2-directory-traversal-via-rest-and-markdown
    label: disclosure@vulncheck.com
  - url: 'https://github.com/coderaiser/cloudcmd/issues/474'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00896
epssPercentile: 0.57871
ingestedAt: '2026-08-30T07:49:08.985Z'
---

## Overview

Cloud Commander before 19.20.2 contains a directory traversal vulnerability in REST file-operation and markdown endpoints that fails to properly validate path normalization. Attackers can use path traversal sequences to read, write, move, or copy files outside the configured root directory.

## Remediation

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