What is the CVSS score of CVE-2025-59455?

CVE-2025-59455 has a CVSS 3.1 base score of 4.2 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Teamcity are affected by CVE-2025-59455?

Organizations using JetBrains TeamCity should be aware of moderate risk from CVE-2025-59455, a race condition vulnerability rated CVSS 4.2.

How to fix or mitigate CVE-2025-59455?

During next maintenance window: Identify affected systems running JetBrains TeamCity and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Teamcity CVE-2025-59455

MEDIUM

Race Condition (CWE-362)

2025-09-17 cve@jetbrains.com

Authentication Bypass Race Condition Teamcity

4.2

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:12 vuln.today

CVE Published

Sep 17, 2025 - 09:15 nvd

MEDIUM 4.2

DescriptionNVD

In JetBrains TeamCity before 2025.07.2 project isolation bypass was possible due to race condition

AnalysisAI

In JetBrains TeamCity before 2025.07.2 project isolation bypass was possible due to race condition. Rated medium severity (CVSS 4.2), this vulnerability is remotely exploitable. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-362. In JetBrains TeamCity before 2025.07.2 project isolation bypass was possible due to race condition Affected products include: Jetbrains Teamcity. Version information: before 2025.07.2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-59455 vulnerability details – vuln.today

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