Path Traversal Vulnerability in OpenVPN-CMS-Flask by Xiaoyunjie
CVE-2025-6776

6.9MEDIUM

Key Information:

Vendor

Xiaoyunjie

Status
Openvpn-cms-flask
Vendor
CVE Published:
27 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6776?

A path traversal vulnerability exists in the file upload functionality of OpenVPN-CMS-Flask up to version 1.2.7. The flaw is triggered by improper handling of input parameters, allowing an attacker to traverse file paths and potentially upload malicious files. This vulnerability can be exploited remotely, posing significant security risks. Users are encouraged to upgrade to version 1.2.8, which includes necessary patches addressing this issue.

Affected Version(s)

openvpn-cms-flask 1.2.0

openvpn-cms-flask 1.2.1

openvpn-cms-flask 1.2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-6776 - Proof of Concept

References

https://vuldb.com/?id.314092
vdb-entrytechnical-description
https://vuldb.com/?ctiid.314092
signaturepermissions-required
https://vuldb.com/?submit.602374
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tritium (VulDB User)
.
CVE-2025-6776 : Path Traversal Vulnerability in OpenVPN-CMS-Flask by Xiaoyunjie