CVE-2023-39174
MediumCVSS 4.3Exploitation Probability (EPSS)
Elevated risk69th percentile - higher than 69% of all known CVEs
Summary
In JetBrains TeamCity versions before 2023.05.2, a ReDoS attack was possible via integration with issue trackers.
Risk Assessment
An attacker could exploit this vulnerability to slow down or block the system, potentially leading to downtime for the organization.
Recommendation
It is recommended to upgrade JetBrains TeamCity to version 2023.05.2 or later to mitigate this vulnerability.
Other vulnerabilities in JetBrains TeamCity
See all- CVE-2026-44413High
In JetBrains TeamCity versions before 2026.1 and 2025.11.5, authenticated users could expose the server API to unauthorized access.
- CVE-2026-63077CriticalActively exploited
In JetBrains TeamCity before versions 2026.1.3 and 2025.11.7, unauthenticated remote code execution is possible via the agent polling protocol.
- CVE-2026-65907Critical
In JetBrains TeamCity before 2026.1.2 and 2025.11.6, code execution in Git VCS roots was possible.
- CVE-2024-27198CriticalActively exploited
In JetBrains TeamCity before 2023.11.4, an authentication bypass vulnerability exists that allows performing admin actions without authorization.
- CVE-2023-42793CriticalActively exploited
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible.
- CVE-2023-41249Medium
In JetBrains TeamCity versions before 2023.05.3, reflected XSS was possible during copying Build Step.
- CVE-2023-34225Medium
In JetBrains TeamCity versions before 2023.05, a stored XSS vulnerability was present in the NuGet feed page.
- CVE-2023-34220Medium
In JetBrains TeamCity versions before 2023.05, a stored XSS vulnerability was present in the Commit Status Publisher window.
- CVE-2023-34218Critical
In JetBrains TeamCity before version 2023.05, it was possible to bypass permission checks, allowing for the execution of admin actions.
- CVE-2026-65906High
In JetBrains TeamCity before versions 2026.1.2 and 2025.11.6, code execution was possible via Kotlin DSL sandbox escape.
Original NVD description (English source)
In JetBrains TeamCity before 2023.05.2 a ReDoS attack was possible via integration with issue trackers
Vulnerability data from NVD (NIST) · CISA KEV · EPSS