A vulnerability was found in OpenVPN up to 2.6.20/2.7.4. It has been declared as critical. This impacts an unknown function of the component NTLM Proxy Authentication. Such manipulation leads to off-by-one.
This vulnerability is documented as CVE-2026-11771. The attack can be executed remotely. There is not any exploit available.
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⚡ tsecurity.de Intelligence
CVE-2026-11771 | OpenVPN up to 2.6.20/2.7.4 NTLM Proxy Authentication off-by-one (EUVD-2026-51237 / Nessus ID 335070)
A vulnerability was found in OpenVPN up to 2.6.20/2.7.4. It has been declared as critical. This impacts an unknown function of the component NTLM Proxy Authentication. Such manipulation leads to off-by-one. This vulnerability is…
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