Path Traversal in Octoprint
CVE-2026-94489
A vulnerability was identified in OctoPrint 1.0.0. Affected by this vulnerability is the function _validate of the file src/octoprint/server/api/files.py of the component File Download API. Such manipulation of the argument filename leads to path traversal. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- N/a Octoprint — versions 1.0.0
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-94489?
- CVE-2026-94489 is a medium-severity vulnerability in Octoprint, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-09-22.
- How severe is CVE-2026-94489?
- Medium severity. CVSS v3 base score is 4.3 out of 10.