In JetBrains Ktor Native before version 2.0.0 random values used for nonce generation weren't using SecureRandom implementations

Jenkins Doktor Plugin 0.4.1 and earlier implements functionality that allows agent processes to render files on the controller as Markdown or Asciidoc, and error messages allow attackers able to control agent processes to determine whether a file with a given name exists.

In JetBrains Ktor before 1.6.4, nonce verification during the OAuth2 authentication process is implemented improperly.

In JetBrains Ktor before 1.4.2, weak cipher suites were enabled by default.

In JetBrains Ktor before 1.4.3, HTTP Request Smuggling was possible.

In JetBrains Ktor before 1.5.0, a birthday attack on SessionStorage key was possible.

In JetBrains Ktor before 1.4.1, HTTP request smuggling was possible.

In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.

In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.

JetBrains Ktor framework before 1.2.0-rc does not sanitize the username provided by the user for the LDAP protocol, leading to command injection.