What is CVE-2026-86481?

CVE-2026-86481 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-09-07.

How severe is CVE-2026-86481?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Jetbrains Youtrack

CVE-2026-86481

In JetBrains YouTrack before 2026.2.18634 signed URL reuse allowed disclosure of restricted project icons

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Jetbrains Youtrack

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

cve@jetbrains.com

Frequently asked questions

What is CVE-2026-86481?: CVE-2026-86481 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-09-07.
How severe is CVE-2026-86481?: Medium severity. CVSS v3 base score is 4.3 out of 10.