Ktor
by Jetbrains
Source repositories
CVEs (22)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2019-12736 | Cri | 0.64 | 9.8 | 0.02 | Oct 2, 2019 | 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-2023-45612 | Hig | 0.56 | 8.6 | 0.01 | Oct 9, 2023 | In JetBrains Ktor before 2.3.5 default configuration of ContentNegotiation with XML format was vulnerable to XXE | ||
| CVE-2022-48476 | Hig | 0.49 | 7.5 | 0.01 | Apr 24, 2023 | In JetBrains Ktor before 2.3.0 path traversal in the `resolveResource` method was possible | ||
| CVE-2021-43203 | Hig | 0.49 | 7.5 | 0.01 | Nov 9, 2021 | In JetBrains Ktor before 1.6.4, nonce verification during the OAuth2 authentication process is implemented improperly. | ||
| CVE-2019-10102 | Hig | 0.46 | 8.1 | 0.01 | Jul 3, 2019 | 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-2023-45613 | Med | 0.44 | 6.8 | 0.00 | Oct 9, 2023 | In JetBrains Ktor before 2.3.5 server certificates were not verified | ||
| CVE-2020-26129 | Med | 0.42 | 6.5 | 0.01 | Nov 16, 2020 | In JetBrains Ktor before 1.4.1, HTTP request smuggling was possible. | ||
| CVE-2021-25762 | Med | 0.35 | 5.3 | 0.01 | Feb 3, 2021 | In JetBrains Ktor before 1.4.3, HTTP Request Smuggling was possible. | ||
| CVE-2019-12737 | Med | 0.35 | 5.3 | 0.01 | Oct 2, 2019 | UserHashedTableAuth in JetBrains Ktor framework before 1.2.0-rc uses a One-Way Hash with a Predictable Salt for storing user credentials. | ||
| CVE-2025-29904 | Med | 0.34 | 5.3 | 0.00 | Mar 12, 2025 | In JetBrains Ktor before 3.1.1 an HTTP Request Smuggling was possible | ||
| CVE-2021-25763 | Med | 0.34 | 5.3 | 0.01 | Feb 3, 2021 | In JetBrains Ktor before 1.4.2, weak cipher suites were enabled by default. | ||
| CVE-2021-25761 | Med | 0.34 | 5.3 | 0.01 | Feb 3, 2021 | In JetBrains Ktor before 1.5.0, a birthday attack on SessionStorage key was possible. | ||
| CVE-2019-19703 | Med | 0.33 | 6.1 | 0.01 | Dec 10, 2019 | In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location. | ||
| CVE-2026-68762 | Med | 0.31 | 5.9 | 0.00 | Aug 17, 2026 | In JetBrains Ktor before 3.4.1 potential DoS attack via WebSocket decompression was possible | ||
| CVE-2020-5207 | Med | 0.28 | 5.4 | 0.01 | Jan 27, 2020 | 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-2024-49580 | Med | 0.27 | 5.3 | 0.00 | Oct 17, 2024 | In JetBrains Ktor before 2.3.13 improper caching in HttpCache Plugin could lead to response information disclosure | ||
| CVE-2022-38180 | Med | 0.27 | 5.3 | 0.01 | Aug 12, 2022 | In JetBrains Ktor before 2.1.0 the wrong authentication provider could be selected in some cases | ||
| CVE-2022-38179 | Med | 0.24 | 4.7 | 0.00 | Aug 12, 2022 | JetBrains Ktor before 2.1.0 was vulnerable to the Reflect File Download attack | ||
| CVE-2023-34339 | Low | 0.21 | 3.3 | 0.00 | Jun 1, 2023 | In JetBrains Ktor before 2.3.1 headers containing authentication data could be added to the exception's message | ||
| CVE-2022-29930 | Hig | 0.00 | 8.7 | 0.01 | May 12, 2022 | SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. The issue was fixed in Ktor version 2.0.1. |
- risk 0.64cvss 9.8epss 0.02
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.
- risk 0.56cvss 8.6epss 0.01
In JetBrains Ktor before 2.3.5 default configuration of ContentNegotiation with XML format was vulnerable to XXE
- risk 0.49cvss 7.5epss 0.01
In JetBrains Ktor before 2.3.0 path traversal in the `resolveResource` method was possible
- risk 0.49cvss 7.5epss 0.01
In JetBrains Ktor before 1.6.4, nonce verification during the OAuth2 authentication process is implemented improperly.
- risk 0.46cvss 8.1epss 0.01
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.
- risk 0.44cvss 6.8epss 0.00
In JetBrains Ktor before 2.3.5 server certificates were not verified
- risk 0.42cvss 6.5epss 0.01
In JetBrains Ktor before 1.4.1, HTTP request smuggling was possible.
- risk 0.35cvss 5.3epss 0.01
In JetBrains Ktor before 1.4.3, HTTP Request Smuggling was possible.
- risk 0.35cvss 5.3epss 0.01
UserHashedTableAuth in JetBrains Ktor framework before 1.2.0-rc uses a One-Way Hash with a Predictable Salt for storing user credentials.
- risk 0.34cvss 5.3epss 0.00
In JetBrains Ktor before 3.1.1 an HTTP Request Smuggling was possible
- risk 0.34cvss 5.3epss 0.01
In JetBrains Ktor before 1.4.2, weak cipher suites were enabled by default.
- risk 0.34cvss 5.3epss 0.01
In JetBrains Ktor before 1.5.0, a birthday attack on SessionStorage key was possible.
- risk 0.33cvss 6.1epss 0.01
In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.
- risk 0.31cvss 5.9epss 0.00
In JetBrains Ktor before 3.4.1 potential DoS attack via WebSocket decompression was possible
- risk 0.28cvss 5.4epss 0.01
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.
- risk 0.27cvss 5.3epss 0.00
In JetBrains Ktor before 2.3.13 improper caching in HttpCache Plugin could lead to response information disclosure
- risk 0.27cvss 5.3epss 0.01
In JetBrains Ktor before 2.1.0 the wrong authentication provider could be selected in some cases
- risk 0.24cvss 4.7epss 0.00
JetBrains Ktor before 2.1.0 was vulnerable to the Reflect File Download attack
- risk 0.21cvss 3.3epss 0.00
In JetBrains Ktor before 2.3.1 headers containing authentication data could be added to the exception's message
- risk 0.00cvss 8.7epss 0.01
SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. The issue was fixed in Ktor version 2.0.1.
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