CVE-2026-82460

critical

Description

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.

References

https://www.vulncheck.com/advisories/cloud-commander-before-19.20.2-directory-traversal-via-rest-and-markdown

https://github.com/coderaiser/cloudcmd/releases/tag/v19.20.2

https://github.com/coderaiser/cloudcmd/issues/474

https://github.com/coderaiser/cloudcmd/commit/b9bdc9ed528350eeb2f9ef974c18998096fae919

https://github.com/coderaiser/cloudcmd/blob/v19.20.1/server/root.js

https://github.com/coderaiser/cloudcmd

Details

Source: Mitre, NVD

Published: 2026-08-29

Updated: 2026-08-29

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical