Jetbrains Ktor

21 CVEs affecting Jetbrains Ktor. Latest disclosed: 2025-03-12. Critical: 1, High: 5.

Top CVEs affecting Jetbrains Ktor
CVESeverityScorePublishedSummary
CVE-2019-12736Critical9.82019-10-02JetBrains Ktor framework before 1.2.0-rc does not sanitize the username provided by the user for the LDAP protocol, leading to command injection.
CVE-2022-29930High8.72022-05-12SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. The issue was fixed in Ktor version 2.0.1.
CVE-2023-45612High8.62023-10-09In JetBrains Ktor before 2.3.5 default configuration of ContentNegotiation with XML format was vulnerable to XXE
CVE-2019-10102High8.12019-07-03JetBrains Ktor framework (created using the Kotlin IDE template) versions before 1.1.0 were resolving artifacts using an http connection during the build proce…
CVE-2022-48476High7.52023-04-24In JetBrains Ktor before 2.3.0 path traversal in the `resolveResource` method was possible
CVE-2021-43203High7.52021-11-09In JetBrains Ktor before 1.6.4, nonce verification during the OAuth2 authentication process is implemented improperly.
CVE-2023-45613Medium6.82023-10-09In JetBrains Ktor before 2.3.5 server certificates were not verified
CVE-2020-26129Medium6.52020-11-16In JetBrains Ktor before 1.4.1, HTTP request smuggling was possible.
CVE-2019-19703Medium6.12019-12-10In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.
CVE-2020-5207Medium5.42020-01-27In 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 ha…
CVE-2019-19389Medium5.42019-12-26JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
CVE-2025-29904Medium5.32025-03-12In JetBrains Ktor before 3.1.1 an HTTP Request Smuggling was possible
CVE-2024-49580Medium5.32024-10-17In JetBrains Ktor before 2.3.13 improper caching in HttpCache Plugin could lead to response information disclosure
CVE-2022-38180Medium5.32022-08-12In JetBrains Ktor before 2.1.0 the wrong authentication provider could be selected in some cases
CVE-2021-25763Medium5.32021-02-03In JetBrains Ktor before 1.4.2, weak cipher suites were enabled by default.
CVE-2021-25762Medium5.32021-02-03In JetBrains Ktor before 1.4.3, HTTP Request Smuggling was possible.
CVE-2021-25761Medium5.32021-02-03In JetBrains Ktor before 1.5.0, a birthday attack on SessionStorage key was possible.
CVE-2019-12737Medium5.32019-10-02UserHashedTableAuth in JetBrains Ktor framework before 1.2.0-rc uses a One-Way Hash with a Predictable Salt for storing user credentials.
CVE-2022-38179Medium4.72022-08-12JetBrains Ktor before 2.1.0 was vulnerable to the Reflect File Download attack
CVE-2023-34339Low3.32023-06-01In JetBrains Ktor before 2.3.1 headers containing authentication data could be added to the exception's message