CVE-2025-6776
xiaoyunjie openvpn-cms-flask File Upload controller.py upload path traversal
Description
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.
INFO
Published Date :
June 27, 2025, 8:15 p.m.
Last Modified :
Jan. 30, 2026, 12:40 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade openvpn-cms-flask to version 1.2.8.
- Apply patch e23559b98c8ea2957f09978c29f4e512ba789eb6.
- Update the file app/plugins/oss/app/controller.py.
- Review file upload handling for image arguments.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-6776.
| URL | Resource |
|---|---|
| https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6 | Patch |
| https://github.com/xiaoyunjie/openvpn-cms-flask/issues/23 | Exploit Issue Tracking Vendor Advisory |
| https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8 | Release Notes |
| https://vuldb.com/?ctiid.314092 | Permissions Required VDB Entry |
| https://vuldb.com/?id.314092 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.602374 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-6776 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-6776
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-6776 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-6776 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:xiaoyunjie:openvpn-cms-flask:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.8 Added Reference Type VulDB: https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6 Types: Patch Added Reference Type VulDB: https://github.com/xiaoyunjie/openvpn-cms-flask/issues/23 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8 Types: Release Notes Added Reference Type VulDB: https://vuldb.com/?ctiid.314092 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.314092 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.602374 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Jun. 27, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CWE CWE-22 Added Reference https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6 Added Reference https://github.com/xiaoyunjie/openvpn-cms-flask/issues/23 Added Reference https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8 Added Reference https://vuldb.com/?ctiid.314092 Added Reference https://vuldb.com/?id.314092 Added Reference https://vuldb.com/?submit.602374