CVE-2026-62422 in YouTrack
Summary
by MITRE • 07/14/2026
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
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Analysis
by VulDB Data Team • 07/14/2026
This vulnerability in JetBrains YouTrack represents a critical authentication bypass flaw that allows unauthorized users to gain administrative privileges through direct database access. The issue affects multiple version ranges including 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, and 2024.2.148429, indicating a widespread concern across the product's release cycle. The vulnerability stems from inadequate authentication mechanisms that fail to properly validate user credentials when direct database connections are established, creating a pathway for malicious actors to bypass standard login procedures and assume administrative roles within the system.
The technical flaw operates through a database-level access vector where unauthorized individuals can directly interact with YouTrack's backend database without proper authentication checks. This weakness allows attackers to manipulate database records or execute administrative commands that would normally require valid user credentials and proper authorization. The vulnerability manifests when the application fails to enforce session validation or API key verification at the database layer, enabling direct manipulation of user permissions or account creation processes. According to CWE classification, this corresponds to CWE-287 which addresses improper authentication issues in software systems, specifically focusing on weak or missing authentication mechanisms that allow unauthorized access to protected resources.
The operational impact of this vulnerability is severe and far-reaching for organizations using affected YouTrack versions. Successful exploitation could result in complete system compromise where attackers gain full administrative control over issue tracking systems, potentially leading to data exfiltration, system manipulation, or disruption of development workflows. Organizations may face regulatory compliance violations if sensitive project data or intellectual property becomes accessible to unauthorized parties. The vulnerability's persistence across multiple release versions suggests that the underlying architectural flaw was not adequately addressed in security patches, creating extended exposure windows for affected deployments and potentially enabling nation-state actors or sophisticated threat groups to maintain long-term access to development environments.
Mitigation strategies should prioritize immediate patching of all affected YouTrack installations to the latest available versions that contain proper authentication controls. Organizations must implement network segmentation to restrict direct database access from unauthorized systems and establish robust monitoring protocols for suspicious database connection patterns. Database access should be strictly controlled through proper authentication mechanisms and role-based access controls, ensuring that only authorized administrative users can perform privileged operations. Security teams should conduct comprehensive audits of database configurations and monitor for unusual authentication patterns or unauthorized access attempts. Additionally, implementing multi-factor authentication for administrative accounts and regular security assessments of the application's authentication framework will help prevent similar vulnerabilities from emerging in future deployments. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques where adversaries leverage weak authentication controls to gain higher-level system access, emphasizing the importance of layered defensive measures that protect against both network-level and database-level attack vectors.