What is CVE-2026-28195?

CVE-2026-28195 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-25.

How severe is CVE-2026-28195?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Jetbrains Teamcity

CVE-2026-28195

In JetBrains TeamCity before 2025.11.3 missing authorization allowed project developers to add parameters to build configurations

Vulnerability class: Broken Access Control

EPSS: 0.002 (5.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Jetbrains Teamcity — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cve@jetbrains.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-28195?: CVE-2026-28195 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-25.
How severe is CVE-2026-28195?: Medium severity. CVSS v3 base score is 4.3 out of 10.