What is CVE-2026-44413?

CVE-2026-44413 is a high-severity vulnerability in Jetbrains Teamcity, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2026-05-11.

How severe is CVE-2026-44413?

High severity. CVSS v3 base score is 8.2 out of 10.

Auth bypass in Jetbrains Teamcity

CVE-2026-44413

In JetBrains TeamCity before 2026.1 2025.11.5 authenticated users could expose server API to unauthorised access

Vulnerability class: Broken Authentication

Published 2026-05-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Jetbrains Teamcity — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

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

Frequently asked questions

What is CVE-2026-44413?: CVE-2026-44413 is a high-severity vulnerability in Jetbrains Teamcity, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2026-05-11.
How severe is CVE-2026-44413?: High severity. CVSS v3 base score is 8.2 out of 10.