What is CVE-2026-103490?

CVE-2026-103490 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 7.2/10. Published 2026-10-01.

How severe is CVE-2026-103490?

High severity. CVSS v3 base score is 7.2 out of 10.

Auth bypass in Jetbrains Youtrack

CVE-2026-103490

In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group links

Vulnerability class: Broken Access Control

Published 2026-10-01 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Jetbrains Youtrack

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2026-103490?: CVE-2026-103490 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 7.2/10. Published 2026-10-01.
How severe is CVE-2026-103490?: High severity. CVSS v3 base score is 7.2 out of 10.