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CVE-2026-63649

MEDIUM
4.1
CVSS Score
Published: August 14, 2026 at 10:13 PM UTC
Updated: September 1, 2026 at 09:21 PM UTC
1 product affected across 1 vendorOpenVPN

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Severity
MEDIUM4.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

OpenVPN· Openvpn
60%
2.4.0 ≤ v < 2.6.222.7_alpha1 ≤ v < 2.7.62.4.02.7_alpha1
Affected range stops below 2.6.22, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.7.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Vendor Advisory
Source: cverecord
https://community.openvpn.net/Security%20Announcements/CVE-2026-63649
Release Notes
Source: cverecord
https://community.openvpn.net/ReleaseHistory#openvpn-276-released-5-august-2026
Release Notes
Source: cverecord
https://community.openvpn.net/ReleaseHistory#openvpn-2622-released-5-august-2026

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.1MEDIUMOpenVPN
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-183

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