What is CVE-2026-75044?

CVE-2026-75044 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-08-17.

How severe is CVE-2026-75044?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Jetbrains Youtrack

CVE-2026-75044

In JetBrains YouTrack before 2025.3.156085, 2026.1.13914, 2026.2.18095 missing authorisation allowed an authenticated user to delete arbitrary entities via the mailbox endpoint

Vulnerability class: Broken Access Control

Published 2026-08-17 · last modified 2026-09-15.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.3% 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: 0.004 · change: +0.001

Affected products

Jetbrains Youtrack — 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-2026-75044?: CVE-2026-75044 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-08-17.
How severe is CVE-2026-75044?: High severity. CVSS v3 base score is 8.1 out of 10.