What is CVE-2026-86495?

CVE-2026-86495 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-09-07.

How severe is CVE-2026-86495?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Jetbrains Youtrack

CVE-2026-86495

In JetBrains YouTrack before 2026.2.18687 missing permission checks allowed creating knowledge base articles in inaccessible projects

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Jetbrains Youtrack

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cve@jetbrains.com

Frequently asked questions

What is CVE-2026-86495?: CVE-2026-86495 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-09-07.
How severe is CVE-2026-86495?: Medium severity. CVSS v3 base score is 6.5 out of 10.