In JetBrains TeamCity before 2021.1.2, user enumeration was possible.

In JetBrains TeamCity before 2021.1, information disclosure via the Docker Registry connection dialog is possible.

In JetBrains Upsource before 2020.1, information disclosure is possible because of an incorrect user matching algorithm.

In JetBrains TeamCity before 2024.07 an OAuth code for JetBrains Space could be stolen via Space Application connection

In JetBrains TeamCity before 2021.1, an insecure key generation mechanism for encrypted properties was used.

In JetBrains YouTrack before 2021.2.16363, system user passwords were hashed with SHA-256.

In JetBrains TeamCity before 2024.07.3 path traversal leading to information disclosure was possible via server backups

In JetBrains YouTrack before 2024.2.34646 user access token was sent to the third-party site

GitHub access token could be exposed to third-party sites in JetBrains IDEs after version 2023.1 and less than: IntelliJ IDEA 2023.1.7, 2023.2.7, 2023.3.7, 2024.1.3, 2024.2 EAP3; Aqua 2024.1.2; CLion 2023.1.7, 2023.2.4, 2023.3.5, 2024.1.3, 2024.2 EAP2; DataGrip 2023.1.3, 2023.2.4, 2023.3.5, 2024.1.4; DataSpell 2023.1.6, 2023.2.7, 2023.3.6, 2024.1.2, 2024.2 EAP1; GoLand 2023.1.6, 2023.2.7, 2023.3.7, 2024.1.3, 2024.2 EAP3; MPS 2023.2.1, 2023.3.1, 2024.1 EAP2; PhpStorm 2023.1.6, 2023.2.6, 2023.3.7, 2024.1.3, 2024.2 EAP3; PyCharm 2023.1.6, 2023.2.7, 2023.3.6, 2024.1.3, 2024.2 EAP2; Rider 2023.1.7, 2023.2.5, 2023.3.6, 2024.1.3; RubyMine 2023.1.7, 2023.2.7, 2023.3.7, 2024.1.3, 2024.2 EAP4; RustRover 2024.1.1; WebStorm 2023.1.6, 2023.2.7, 2023.3.7, 2024.1.4

In JetBrains YouTrack before 2020.6.8801, information disclosure in an issue preview was possible.

In JetBrains TeamCity before 2020.2.3, information disclosure via SSRF was possible.

In JetBrains YouTrack before 2024.1.29548 the SMTPS protocol communication lacked proper certificate hostname validation

In JetBrains UpSource before 2020.1.1883, application passwords were not revoked correctly

In JetBrains YouTrack before 2020.3.888, notifications might have mentioned inaccessible issues.

In IntelliJ IDEA before 2020.3.3, XXE was possible, leading to information disclosure.

In JetBrains YouTrack before 2020.6.1099, project information could be potentially disclosed.

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

Ports listened to by JetBrains IntelliJ IDEA before 2019.3 were exposed to the network.

In JetBrains IntelliJ IDEA 2019.2, an XSLT debugger plugin misconfiguration allows arbitrary file read operations over the network. This issue was fixed in 2019.3.

In the JetBrains Scala plugin before 2019.2.1, some artefact dependencies were resolved over unencrypted connections.

In JetBrains TeamCity before 2019.1.2, access could be gained to the history of builds of a deleted build configuration under some circumstances.

JetBrains IDETalk plugin before version 193.4099.10 allows XXE

In JetBrains Hub versions earlier than 2019.1.11738, username enumeration was possible through password recovery.

JetBrains MPS before 2019.2.2 exposed listening ports to the network.

In JetBrains TeamCity before 2019.1.2, secure values could be exposed to users with the "View build runtime parameters and data" permission.

UserHashedTableAuth in JetBrains Ktor framework before 1.2.0-rc uses a One-Way Hash with a Predictable Salt for storing user credentials.

Server metadata could be exposed because one of the error messages reflected the whole response back to the client in JetBrains TeamCity versions before 2018.2.5 and UpSource versions before 2018.2 build 1293.

The JetBrains Vim plugin before version 0.52 was storing individual project data in the global vim_settings.xml file. This xml file could be synchronized to a publicly accessible GitHub repository.

In JetBrains Hub before 2021.1.13690, information disclosure via avatar metadata is possible.

In JetBrains YouTrack before 2021.2.16363, an insecure PRNG was used.

In JetBrains IntelliJ IDEA before 2025.2 credentials disclosure was possible via remote reference

In JetBrains TeamCity before 2025.07 password reset and email verification tokens were using weak hashing algorithms

In JetBrains Hub before 2020.1.12669, information disclosure via the public API was possible.

JetBrains TeamCity Plugin before 2020.2.85695 SSRF. Vulnerability that could potentially expose user credentials.

In JetBrains IntelliJ IDEA before 2023.1 file content could be disclosed via an external stylesheet path in Markdown preview.

In JetBrains IntelliJ IDEA before 2023.1 the NTLM hash could leak through an API method used in the IntelliJ IDEA built-in web server.

In JetBrains IntelliJ IDEA before 2022.3.1 the "Validate JSP File" action used the HTTP protocol to download required JAR files.

In JetBrains Ktor before 2.3.0 path traversal in the `resolveResource` method was possible

In JetBrains IntelliJ IDEA before 2020.2, the built-in web server could expose information about the IDE version.

In JetBrains YouTrack before 2020.4.4701, an attacker could enumerate users via the REST API without appropriate permissions.

In JetBrains Hub before 2022.2.14799, insufficient access control allowed the hijacking of untrusted services

In JetBrains Toolbox App before 2.6 unencrypted credential transmission during SSH authentication was possible

In JetBrains TeamCity version before 2022.10, Project Viewer could see scrambled secure values in the MetaRunner settings

In JetBrains TeamCity version before 2022.10, Password parameters could be exposed in the build log if they contained special characters

JetBrains YouTrack before 2020.2.10643 was vulnerable to SSRF that allowed scanning internal ports.

In JetBrains TeamCity before 2020.1.5, secure dependency parameters could be not masked in depending builds when there are no internal artifacts.

In JetBrains YouTrack before 2020.4.4701, improper resource access checks were made.

Unspecified vulnerability in JetBrains TeamCity before 8.1 allows remote attackers to obtain sensitive information via unknown vectors.

In several versions of JetBrains IntelliJ IDEA Ultimate, creating Task Servers configurations leads to saving a cleartext unencrypted record of the server credentials in the IDE configuration files. The issue has been fixed in the following versions: 2019.1, 2018.3.5, 2018.2.8, and 2018.1.8.

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