PT-2025-27256 · Unknown · Openvpn-Cms-Flask

Tritium · Published 2025-06-27 · Updated 2026-01-30 · CVE-2025-6776

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: xiaoyunjie openvpn-cms-flask versions 1.2.7 and earlier

Description: A critical issue was found in the File Upload component, specifically affecting the Upload function of the app/plugins/oss/app/controller.py file. The manipulation of the image argument leads to path traversal. This issue can be initiated remotely.

Recommendations: For versions 1.2.7 and earlier, upgrade to version 1.2.8 to address this issue. As a temporary workaround, consider restricting access to the Upload function of the app/plugins/oss/app/controller.py file until the upgrade is applied.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2025-6776

Affected Products

Openvpn-Cms-Flask

References · 13

• 🔥 https://github.com/xiaoyunjie/openvpn-cms-flask/issues/23 · Exploit
• https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6 · Patch
• https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8 · Patch
• https://osv.dev/vulnerability/CVE-2025-6776 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-6776 · Security Note
• https://reddit.com/r/CyberDudeBivash/comments/1mtntya/daily_cve_roundup_august_18_2025_by · Reddit Post
• https://vuldb.com/?id.314092 · Note
• https://t.me/cveNotify/150344 · Telegram Post
• https://vuldb.com/?ctiid.314092 · Note
• https://vuldb.com/?submit.602374 · Note
• https://twitter.com/VulmonFeeds/status/1938853163437604953 · Twitter Post
• https://twitter.com/CVEnew/status/1938693137167274435 · Twitter Post
• https://t.me/cvetracker/27274 · Telegram Post