CVE-2026-86479
High
Description
In JetBrains YouTrack before 2026.2.18788, 2026.1.14055, 2025.3.161254 missing authorisation allowed access to restricted REST API resources via IDOR
SeverityHigh
CVSS8.1
Exploit probability—
Product
YouTrack
PublishedSep 7, 2026
First seenSep 7, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- JetBrains YouTrack2026.2.18788, 2026.1.14055, 2025.3.161254 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| JetBrains YouTrack | v < 2026.2.18788, 2026.1.14055, 2025.3.161254 | 2026.2.18788, 2026.1.14055, 2025.3.161254 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.