JetBrains YouTrack

In JetBrains YouTrack before 2020.6.6600, access control during the exporting of issues was implemented improperly.

In JetBrains YouTrack before 2021.2.16363, time-unsafe comparisons were used.

In JetBrains YouTrack before 2024.3.47707 potential ReDoS exploit was possible via email header parsing in Helpdesk functionality

In JetBrains YouTrack before 2023.1.10518 a DoS attack was possible via Helpdesk forms

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

In JetBrains YouTrack before 2025.3.104432 information disclosure was possible via the feedback form

In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint

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

In JetBrains YouTrack before 2026.2.16593 improper authorisation in the app configurations endpoint allowed modifying project settings

In JetBrains YouTrack before 2026.1.13162 information disclosure was possible on fetchApp requests

In JetBrains YouTrack before 2026.2.19197 guest users could remove a workflow action's visibility restriction and run the action

In JetBrains YouTrack before 2022.1.43700 it was possible to inject JavaScript into Markdown in the YouTrack Classic UI

In JetBrains YouTrack before 2023.1.16597 captcha was not properly validated for Helpdesk forms

In JetBrains YouTrack before 2025.3.131383 high privileged user can achieve RCE via sandbox bypass

In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group links

In JetBrains YouTrack before 2026.1.13901, 2026.2.17950 doS attack was possible via crafted type parameters

In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed authenticated users to add themselves to project teams and access restricted issues

In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible

In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group membership changes

In JetBrains YouTrack versions before 2020.3.4313, 2020.2.11008, 2020.1.11011, 2019.1.65514, 2019.2.65515, and 2019.3.65516, an attacker can retrieve an issue description without appropriate access.

In JetBrains YouTrack before 2026.2.18177 doS attack was possible via a decompression bomb in the import endpoint

In JetBrains YouTrack before 2025.3.119033 access tokens could be exposed in Mailbox logs

In JetBrains YouTrack before 2020.2.6881, a user without permission is able to create an article draft.

In JetBrains YouTrack before 2026.2.19197 project Admin could trigger DoS via a notification template

In JetBrains YouTrack before 2026.2.19422 doS attack was possible via crafted PSD attachments

In JetBrains YouTrack before 2024.3.52635 potential ReDoS was possible due to vulnerable RegExp in Ruby syntax detector

In JetBrains YouTrack before 2024.1.25893 user without appropriate permissions could restore issues and articles

In JetBrains YouTrack before 2024.1.25893 attaching/detaching workflow to a project was possible without project admin permissions

In JetBrains YouTrack before 2024.3.51866 unauthenticated database backup download was possible via vulnerable query parameter

In JetBrains YouTrack before 2024.3.52635 multiple merge functions were vulnerable to prototype pollution attack

In JetBrains YouTrack before 2026.1.13903, 2026.2.17950 an authenticated user could read restricted articles from other projects via the draft creation endpoint

In JetBrains YouTrack before 2026.1.13570 improper access control allowed enumeration of restricted issues and articles on Planning Canvas

In JetBrains YouTrack before 2026.2.19197 changing an integration URL exposed its stored credentials

In JetBrains YouTrack before 2026.1.13570 improper access control allowed low-privileged users to modify service accounts

In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues

In JetBrains YouTrack through 2019.2.56594, stored XSS was found on the issue page.

JetBrains YouTrack 2019.2 before 2019.2.59309 was vulnerable to XSS via an issue description.

JetBrains YouTrack versions before 2019.1.52584 had a possible XSS in the issue titles.

JetBrains YouTrack versions before 2019.1.52545 allowed unbounded URL whitelisting because of Inclusion of Functionality from an Untrusted Control Sphere.

JetBrains YouTrack versions before 2019.2.53938 had a possible XSS through issue attachments when using the Firefox browser.