What is the CVSS score of CVE-2025-52878?

CVE-2025-52878 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Teamcity are affected by CVE-2025-52878?

Organizations using JetBrains TeamCity should be aware of moderate risk from CVE-2025-52878, a missing authorization vulnerability rated CVSS 4.3.. A patch is available.

How to fix or mitigate CVE-2025-52878?

Within 30 days: Identify affected systems running JetBrains TeamCity and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Teamcity CVE-2025-52878

EUVD-2025-28476 MEDIUM

Missing Authorization (CWE-862)

2025-06-23 cve@jetbrains.com

Authentication Bypass Teamcity

4.3

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Patch available

Apr 16, 2026 - 05:29 EUVD

2025.03.3

EUVD ID Assigned

Mar 15, 2026 - 22:10 euvd

EUVD-2025-28476

Analysis Generated

Mar 15, 2026 - 22:10 vuln.today

CVE Published

Jun 23, 2025 - 15:15 nvd

MEDIUM 4.3

DescriptionNVD

In JetBrains TeamCity before 2025.03.3 usernames were exposed to the users without proper permissions

Analysis

In JetBrains TeamCity before 2025.03.3 usernames were exposed to the users without proper permissions

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862).

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

CVE-2025-52878 vulnerability details – vuln.today

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Teamcity CVE-2025-52878

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

Analysis

Technical ContextAI

RemediationAI

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External POC / Exploit Code