Priority MEDIUM 50
In JetBrains YouTrack before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 authentication bypass via direct database access leading to administrative access was possible
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.00611 · Published 2026-07-14 · Fixed in 2026.1.13757,
2025.3.148033,
2025.2.148048,
2025.1.148120,
2024.3.148430,
2024.2.148429 CWE-306
Priority MEDIUM 49
JetBrains YouTrack before 2021.4.40426 was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03754 · Published 2022-02-25 · No fix listed CWE-94
Priority MEDIUM 48
In JetBrains YouTrack before 2025.3.156085, 2026.1.13913, 2026.2.18112 an unauthenticated attacker could download database backups via shared draft signature
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00466 · Published 2026-08-17 · Fixed in 2025.3.156085,
2026.1.13913 +1 CWE-288
Priority MEDIUM 48
In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code execution.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03621 · Published 2021-02-03 · No fix listed CWE-94
Priority MEDIUM 46
JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02008 · Published 2021-11-09 · No fix listed CWE-74
Priority MEDIUM 46
Certain actions could cause privilege escalation for issue attachments in JetBrains YouTrack.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01994 · Published 2019-07-03 · No fix listed
Priority MEDIUM 46
An Insecure Direct Object Reference, with Authorization Bypass through a User-Controlled Key, was possible in JetBrains YouTrack.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01939 · Published 2019-07-03 · No fix listed CWE-639
Priority MEDIUM 46
An SSRF attack was possible on a JetBrains YouTrack server.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01836 · Published 2019-07-03 · No fix listed CWE-918
Priority MEDIUM 46
A query injection was possible in JetBrains YouTrack.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02079 · Published 2019-07-03 · No fix listed CWE-89
Priority MEDIUM 44
In JetBrains YouTrack before 2024.3.51866 system takeover was possible through path traversal in plugin sandbox
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00742 · Published 2024-12-04 · Fixed in 2024.3.51866 CWE-23
Priority MEDIUM 43
In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00289 · Published 2026-09-30 · Fixed in 2026.2.19197 CWE-863
Priority MEDIUM 43
In JetBrains YouTrack before 2026.2.19197 authorisation bypass in the scripts debugger allowed arbitrary code execution
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00302 · Published 2026-09-30 · Fixed in 2026.2.19197 CWE-863
Priority MEDIUM 42
In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00337 · Published 2026-06-26 · Fixed in 2026.2.16593 CWE-1321
Priority MEDIUM 42
In JetBrains YouTrack before 2021.1.11111, sandboxing in workflows was insufficient.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.01346 · Published 2021-08-06 · No fix listed
Priority MEDIUM 42
In JetBrains YouTrack before 2020.1.1331, an external user could execute commands against arbitrary issues.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.02038 · Published 2020-08-08 · No fix listed
Priority MEDIUM 40
In JetBrains YouTrack before 2025.3.121962 apps were able to send requests to the app permissions endpoint
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.0028 · Published 2026-02-25 · Fixed in 2025.3.121962 CWE-862
Priority MEDIUM 40
In JetBrains YouTrack before 2023.1.10518 a DoS attack was possible via Helpdesk forms
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00616 · Published 2023-06-12 · Fixed in 2023.1.10518 CWE-400
Priority LOW 39
In JetBrains YouTrack before 2025.2.92387 stored XSS was possible via Mermaid diagram content
CVSS 3.1HIGH 8.7· Network · Low privileges · User interaction · EPSS 0.00284 · Published 2025-08-20 · Fixed in 2025.2.92387 CWE-79
Priority LOW 39
In JetBrains YouTrack before 2024.2.34646 user access token was sent to the third-party site
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00443 · Published 2024-06-18 · Fixed in 2024.2.34646 CWE-522
Priority LOW 39
In JetBrains YouTrack before 2023.1.16597 captcha was not properly validated for Helpdesk forms
CVSS 3.1HIGH 7.3· Network · No auth · No interaction · EPSS 0.0055 · Published 2023-07-12 · Fixed in 2023.1.16597 CWE-799
Priority LOW 39
In JetBrains YouTrack before 2020.4.4701, CSRF via attachment upload was possible.
CVSS 3.1HIGH 8.8· Network · No auth · User interaction · EPSS 0.00717 · Published 2021-02-03 · No fix listed CWE-352
Priority LOW 39
JetBrains YouTrack versions before 2019.1 had a CSRF vulnerability on the settings page.
CVSS 3.1HIGH 8.8· Network · No auth · User interaction · EPSS 0.00759 · Published 2019-10-02 · No fix listed CWE-352
Priority LOW 39
A CSRF vulnerability was detected in one of the admin endpoints of JetBrains YouTrack.
CVSS 3.0HIGH 8.8· Network · No auth · User interaction · EPSS 0.00751 · Published 2019-07-03 · No fix listed CWE-352
Priority LOW 38
In JetBrains YouTrack before 2024.3.47197 insecure plugin iframe allowed arbitrary JavaScript execution and unauthorized API requests
CVSS 3.1HIGH 8.1· Network · No auth · User interaction · EPSS 0.00448 · Published 2024-10-17 · Fixed in 2024.3.47197 CWE-940
Priority LOW 37
In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible
CVSS 3.1HIGH 8.1· Network · No auth · User interaction · EPSS 0.00221 · Published 2026-10-01 · Fixed in 2026.2.19422 CWE-79
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