Youtrack
CVE-2026-28193
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
In JetBrains YouTrack before 2025.3.121962 apps were able to send requests to the app permissions endpoint
AnalysisAI
Authenticated users in JetBrains YouTrack versions prior to 2025.3.121962 can bypass authorization controls to access the app permissions endpoint, potentially allowing privilege escalation or unauthorized modification of application settings. This vulnerability requires valid login credentials but has no complexity requirements, enabling attackers with low-level access to gain high-impact capabilities including confidentiality and integrity violations. No patch is currently available.
Technical ContextAI
Classified as CWE-862 (Missing Authorization). Affects Youtrack. In JetBrains YouTrack before 2025.3.121962 apps were able to send requests to the app permissions endpoint
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
Authentication bypass in JetBrains YouTrack allows attackers to obtain full administrative access by leveraging a direct
In JetBrains YouTrack before 2024.3.51866 system takeover was possible through path traversal in plugin sandbox. Rated c
JetBrains YouTrack before 2021.4.40426 was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.
JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection. Rated critical severity (CVSS 9.8), this
In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code e
An SSRF attack was possible on a JetBrains YouTrack server. Rated critical severity (CVSS 9.8), this vulnerability is re
Certain actions could cause privilege escalation for issue attachments in JetBrains YouTrack. Rated critical severity (C
An Insecure Direct Object Reference, with Authorization Bypass through a User-Controlled Key, was possible in JetBrains
A query injection was possible in JetBrains YouTrack. Rated critical severity (CVSS 9.8), this vulnerability is remotely
In JetBrains YouTrack before 2021.1.11111, sandboxing in workflows was insufficient. Rated critical severity (CVSS 9.1),
In JetBrains YouTrack before 2020.4.4701, CSRF via attachment upload was possible. Rated high severity (CVSS 8.8), this
In JetBrains YouTrack before 2020.1.1331, an external user could execute commands against arbitrary issues. Rated high s
Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today