Teamcity
CVE-2019-15039
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
An issue was discovered in JetBrains TeamCity 2018.2.4. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. An issue was discovered in JetBrains TeamCity 2018.2.4. It had a possible remote code execution issue. This was fixed in TeamCity 2019.1. Affected products include: Jetbrains Teamcity.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
An issue was discovered in JetBrains TeamCity 2018.2.4. It had a possible remote code execution issue. This was fixed in TeamCity 2019.1.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Exploit-DB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
Path traversal in JetBrains TeamCity before 2023.11.4 enables remote attackers to perform a limited set of administrativ
Remote code execution in JetBrains TeamCity before 2026.1.3 and 2025.11.7 allows unauthenticated attackers to execute ar
In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible. Rated criti
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible. Rated criti
In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible. Rated critical severity (CVSS
Remote code execution in JetBrains TeamCity before 2026.1.2 and 2025.11.6 allows an attacker to escape the Kotlin DSL sa
Sandbox escape in JetBrains TeamCity's Kotlin DSL configuration mechanism allows an attacker who can supply or modify ve
JetBrains TeamCity versions prior to 2026.2, 2026.1.4, and 2025.11.8 contain a flaw in the password reset mechanism that
Remote code execution affects JetBrains TeamCity releases older than 2026.2, 2026.1.4, and 2025.11.8, where a type-white
In JetBrains TeamCity before 2024.07 access tokens could continue working after deletion or expiration. Rated critical s
In JetBrains TeamCity before 2022.04.7, 2022.10.6, 2023.05.6, 2023.11.5 authentication bypass was possible in specific e
In JetBrains TeamCity before 2023.05 bypass of permission checks allowing to perform admin actions was possible. Rated c
GitHub PoC