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CVE-2026-63649
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…
Medium4.1EPSS 0.33%
- Published
- Updated
- Reserved
- Assigned by
- OpenVPN
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
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| OpenVPNCNA (assigner) | 4.0 | Medium4.1 | 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 |
| NVDNVD · Awaiting Analysis | 4.0 | Medium4.1 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.33% · top 74% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.1.
Weakness
Affected products
References (3)
- https://community.openvpn.net/Security%20Announcements/CVE-2026-63649 (opens in a new tab)vendor-advisory
- https://community.openvpn.net/ReleaseHistory#openvpn-276-released-5-august-2026 (opens in a new tab)release-notes
- https://community.openvpn.net/ReleaseHistory#openvpn-2622-released-5-august-2026 (opens in a new tab)release-notes
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-63649)Record last updated .