What is CVE-2026-86494?

CVE-2026-86494 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 7.7/10. Published 2026-09-07.

How severe is CVE-2026-86494?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Jetbrains Youtrack

CVE-2026-86494

In JetBrains YouTrack before 2026.2.18634 cloning a whiteboard allowed unauthorized changes to links on inaccessible issues

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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-2026-86494?: CVE-2026-86494 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authorization. CVSS score: 7.7/10. Published 2026-09-07.
How severe is CVE-2026-86494?: High severity. CVSS v3 base score is 7.7 out of 10.