Auth bypass in Jetbrains Teamcity

CVE-2026-49374

In JetBrains TeamCity before 2026.1 improper permission checks exposed build configuration parameters

Vulnerability class: Broken Access Control

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49374?
CVE-2026-49374 is a high-severity vulnerability in Jetbrains Teamcity, classified under Missing Authorization. CVSS score: 7.6/10. Published 2026-05-29.
How severe is CVE-2026-49374?
High severity. CVSS v3 base score is 7.6 out of 10.