# CVE-2026-63649

## Summary

- **CVE ID:** CVE-2026-63649
- **Severity:** MEDIUM
- **CVSS Score:** 4.1 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N)
- **CWE:** CWE-183
- **Published:** Aug 14, 2026
- **Last Modified:** Aug 17, 2026

## Description

The Windows interactive service in OpenVPN 2.4.0 through 2.6.21 and 2.7_alpha1 through 2.7.5 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via crafted options that bypass whitelist checks

## Affected Products

- OpenVPN — OpenVPN (2.4.0)
- OpenVPN — OpenVPN (2.7_alpha1)

## References

- [CNA](https://community.openvpn.net/Security%20Announcements/CVE-2026-63649)
- [CNA](https://community.openvpn.net/ReleaseHistory#openvpn-276-released-5-august-2026)
- [CNA](https://community.openvpn.net/ReleaseHistory#openvpn-2622-released-5-august-2026)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.24%
- **EPSS Percentile:** 14.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._