What is CVE-2026-28193?

CVE-2026-28193 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-02-25.

How severe is CVE-2026-28193?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Jetbrains Youtrack

CVE-2026-28193

In JetBrains YouTrack before 2025.3.121962 apps were able to send requests to the app permissions endpoint

Vulnerability class: Broken Access Control

EPSS: 0.000 (0.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jetbrains Youtrack — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.jetbrains.com/privacy-security/issues-fixed/

Frequently asked questions

What is CVE-2026-28193?: CVE-2026-28193 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-02-25.
How severe is CVE-2026-28193?: High severity. CVSS v3 base score is 8.8 out of 10.