Vulnerability DatabaseCVE-2026-13698
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CVE-2026-13698
Published:July 06, 2026
Updated:July 21, 2026
A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
Affected Packages
https://github.com/OpenVPN/openvpn.git (GITHUB):
Affected version(s) >=v2.7_alpha1 <v2.7.5
Fix Suggestion:
Update to version v2.7.5
https://github.com/OpenVPN/openvpn.git (GITHUB):
Affected version(s) >=v2.6.0 <v2.6.21
Fix Suggestion:
Update to version v2.6.21
Related Resources (1)
https://community.openvpn.net/Security%20Announcements/CVE-2026-13698
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CVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
CWE-770
Missing Release of Memory after Effective Lifetime
CWE-401
EPSS
Base Score:
0.55