CVE-2026-45388

In OCaml-TLS before 2.1.0, the client implementation does insufficient checks of the certificate provided by the server, which allows impersonation with certificates that are not meant for server authentication because of KeyUsage and ExtendedKeyUsage...

Error downloading plug-in. Make sure that the URL is reachable and the registered thumbprint is correct. Certificate doesn't support 'digitalSignature' KeyUsage

Challenge Attempting to deploy the Veeam Plug-in for VMware vSphere Client through Veeam Backup Enterprise Manager fails with the error: Error downloading plug-in. Make sure that the URL is reachable and the registered thumbprint is correct. Certificate doesn't support 'digitalSignature' KeyUsage...