Jetbrains Ktor vulnerabilities
22 vulnerabilities
Known vulnerabilities in Jetbrains Ktor, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
CVE-2021-25762jetbrainsktor
EPSS score0.81%
In JetBrains Ktor before 1.4.3, HTTP Request Smuggling was possible.CVE-2021-25761jetbrainsktorEPSS score0.54%
In JetBrains Ktor before 1.5.0, a birthday attack on SessionStorage key was possible.CVE-2021-25763jetbrainsktorEPSS score0.54%
In JetBrains Ktor before 1.4.2, weak cipher suites were enabled by default.CVE-2021-43203jetbrainsktorEPSS score0.86%
In JetBrains Ktor before 1.6.4, nonce verification during the OAuth2 authentication process is implemented improperly.CVE-2025-29904jetbrainsktorEPSS score0.33%
In JetBrains Ktor before 3.1.1 an HTTP Request Smuggling was possibleCVE-2020-26129jetbrainsktorEPSS score0.77%
In JetBrains Ktor before 1.4.1, HTTP request smuggling was possible.CVE-2020-5207jetbrainsktor+3EPSS score0.76%
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.CVE-2022-48476jetbrainsktorEPSS score0.75%
In JetBrains Ktor before 2.3.0 path traversal in the `resolveResource` method was possibleCVE-2022-29035jetbrainsktorEPSS score0.62%
In JetBrains Ktor Native before version 2.0.0 random values used for nonce generation weren't using SecureRandom implementationsCVE-2022-29930jetbrainsktorEPSS score0.89%
SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. The issue was fixed in Ktor version 2.0.1.CVE-2022-38179jetbrainsktor+1EPSS score0.48%
JetBrains Ktor before 2.1.0 was vulnerable to the Reflect File Download attackCVE-2022-38180jetbrainsktor+1EPSS score0.73%
In JetBrains Ktor before 2.1.0 the wrong authentication provider could be selected in some casesCVE-2024-49580jetbrainsktor+1EPSS score0.35%
In JetBrains Ktor before 2.3.13 improper caching in HttpCache Plugin could lead to response information disclosureCVE-2019-19703jetbrainsktor+1EPSS score0.64%
In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.CVE-2019-19389jetbrainsktorEPSS score0.83%
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.CVE-2019-10102jetbrainskotlin+1EPSS score0.82%
JetBrains Ktor framework (created using the Kotlin IDE template) versions before 1.1.0 were resolving artifacts using an http connection during the build process, potentially allowing an MITM attack. This issue was fixed in Kotlin plugin version 1.3.30.CVE-2019-12736jetbrainsktorEPSS score2.22%
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.CVE-2019-12737jetbrainsktorEPSS score0.68%
UserHashedTableAuth in JetBrains Ktor framework before 1.2.0-rc uses a One-Way Hash with a Predictable Salt for storing user credentials.CVE-2026-68762jetbrainsktorEPSS score0.37%
In JetBrains Ktor before 3.4.1 potential DoS attack via WebSocket decompression was possibleCVE-2023-45612jetbrainsktorEPSS score0.71%
In JetBrains Ktor before 2.3.5 default configuration of ContentNegotiation with XML format was vulnerable to XXE