Path Traversal in Xiaoyunjie Openvpn-Cms-Flask
CVE-2025-6776
A vulnerability classified as critical was found in xiaoyunjie openvpn-cms-flask up to 1.2.7. This vulnerability affects the function Upload of the file app/plugins/oss/app/controller.py of the component File Upload. The manipulation of the argument image leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.2.8 is able to address this issue. The name of the patch is e23559b98c8ea2957f09978c29f4e512ba789eb6. It is recommended to upgrade the affected component.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.007 (52.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001
Affected products
- Xiaoyunjie Openvpn-Cms-Flask — versions 1.2.0, 1.2.1, 1.2.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/xiaoyunjie/openvpn-cms-flask/issues/23 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
- github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512… (Patch, patch)
- github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8 (Release Notes, patch)
Frequently asked questions
- What is CVE-2025-6776?
- CVE-2025-6776 is a high-severity vulnerability in Xiaoyunjie Openvpn-Cms-Flask, classified under Path Traversal. CVSS score: 7.3/10. Published 2025-06-27.
- How severe is CVE-2025-6776?
- High severity. CVSS v3 base score is 7.3 out of 10.