๐Ÿ” CVE Alert

CVE-2026-11771

UNKNOWN 0.0
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server

CWE CWE-193 CWE-121 CWE-787
Vendor openvpn
Product openvpn
Published Jul 30, 2026
Last Updated Jul 30, 2026
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Affected Versions

OpenVPN / OpenVPN
2.1.0 โ‰ค 2.6.20 2.7_alpha1 โ‰ค 2.7.4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
community.openvpn.net: https://community.openvpn.net/Security%20Announcements/CVE-2026-11771 community.openvpn.net: https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026 community.openvpn.net: https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026