Vulnerability · Published Aug 29, 2026 · Assigned by VulnCheck
CVE-2026-82460Cloud Commander before 19.20.2 Directory Traversal via REST and Markdown
Critical 9.8
In plain English
A critical-severity path traversal in cloudcmd from coderaiser. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.9%top 40.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| coderaiser | cloudcmd | 0 – before 19.20.2 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Issue #474 issue-tracking
- https://github.com/coderaiser/cloudcmd/commit/b9bdc9ed528350eeb2f9ef974c18998096fae919 patch
- Cloud Commander v19.20.2 Release Notes release-notes
- https://github.com/coderaiser/cloudcmd/blob/v19.20.1/server/root.js technical-description
- https://github.com/coderaiser/cloudcmd product
- VulnCheck Advisory: Cloud Commander before 19.20.2 Directory Traversal via REST and Markdown third-party-advisory