CVE-2026-86487
Low
Description
In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content
SeverityLow
CVSS3.1
Exploit probability—
Product
YouTrack
PublishedSep 7, 2026
First seenSep 7, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- JetBrains YouTrack2026.2.18634 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| JetBrains YouTrack | v < 2026.2.18634 | 2026.2.18634 |
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