The vulnerability of the check_session_buf_not_used() function in the tls-crypt-v2 software of OpenVPN allows a malicious individual to gain unauthorized access to protected information, cause service failures, or execute arbitrary code.
🗓️ 06 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 7 Views
| Reporter | Title | Published | Views | Family All 37 |
|---|---|---|---|---|
 | CVE-2026-13117 | 30 Jul 202616:32 | – | attackerkb |
 | Amazon Linux 2023 : openvpn, openvpn-devel (ALAS2023-2026-2038) | 4 Aug 202600:00 | – | nessus |
| Debian dla-4666 : openvpn - security update | 3 Jul 202600:00 | – | nessus |
| Debian dsa-6376 : openvpn - security update | 3 Jul 202600:00 | – | nessus |
| FreeBSD : openvpn -- multiple vulnerabilities (ffa897a0-756f-11f1-b291-a74de6bb0320) | 3 Jul 202600:00 | – | nessus |
| OpenVPN 2.6.0 < 2.6.21 / 2.7.x < 2.7.5 Multiple Vulnerabilities | 9 Jul 202600:00 | – | nessus |
| SUSE SLED15: openvpn / openvpn-auth-pam-plugin / openvpn-dco / openvpn-dco-devel / etc (SUSE-SU-2026:3596-1) | 13 Aug 202600:00 | – | nessus |
| Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : OpenVPN vulnerabilities (USN-8540-1) | 15 Jul 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-13117 | 3 Jul 202600:00 | – | nessus |
 | Medium: openvpn | 4 Aug 202600:00 | – | amazon |
10
Node
OR
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
06 Jul 2026 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 39.1
CVSS 29.4
EPSS0.00398