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.

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

Published 2026-05-29 · last modified 2026-07-22.

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.

EPSS exploit prediction

EPSS: 0.003 (21.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Jetbrains Teamcity — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.jetbrains.com/privacy-security/issues-fixed/ (Vendor Advisory)

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.