CVE-2026-63650

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 13.4% of scored records. A rank, not a probability.

NVD base score

2.0 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-01.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-14 22:13Z2 MO AGO

Last updated

2026-08-17 15:38Z2 MO AGO

Reserved

2026-07-17

Assigning CNA

OpenVPN

Record state

PUBLISHED

Severity

Low (CVSS 2.0)

CNA CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

Weaknesses

• CWE-115Misinterpretation of InputBase
• CWE-295Improper Certificate ValidationBase

Data version

5.2

Document digest

b798d8924a3b7f7a2381a06e1d1df7fd353cbcd9557a388307242d08d72c4961

• community.openvpn.nethttps://community.openvpn.net/Security%20Announcements/CVE-2026-63650vendor-advisory
• community.openvpn.nethttps://community.openvpn.net/ReleaseHistory#openvpn-276-released-5-august-2026release-notes