CVE-2025-6776CRITICAL 9.8EPSS p44.8%

CVE-2025-6776CVE-2025-6776

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.62% probability of exploitation · percentile 44.8% · 2026-06-19T12:03:05Z
Published2025-06-27
Last modified2026-04-29

Underlying weaknesses· 1

CWE-22

References

  1. https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6
  2. https://github.com/xiaoyunjie/openvpn-cms-flask/issues/23
  3. https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8
  4. https://vuldb.com/?ctiid.314092
  5. https://vuldb.com/?id.314092
  6. https://vuldb.com/?submit.602374

1

TypeTargetConfidenceTier
WeaknessImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal')cwe-220%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.