CVE-2025-6776: openvpn-cms-flask 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.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
xiaoyunjie	openvpn-cms-flask	< 1.2.8

References

Advisories & Patches

https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6 https://github.com/xiaoyunjie/openvpn-cms-flask/issues/23

Exploits

https://github.com/xiaoyunjie/openvpn-cms-flask/issues/23

Other References

https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8 https://vuldb.com/?ctiid.314092 https://vuldb.com/?id.314092 https://vuldb.com/?submit.602374

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-6776? +

CVE-2025-6776 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-6776? +

CVE-2025-6776 affects products from xiaoyunjie, specifically: openvpn-cms-flask. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6776? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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