JetBrainsCVE-2026-86487
JetBrains YouTrack: improper authorization
Low3.1CVE-2026-86487 · Published Sep 7, 2026 · updated Sep 8, 2026
In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| YouTrack Product | < 2026.2.18634 | 2026.2.18634 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-863
More JetBrains advisories
All JetBrains| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 7 | JetBrains IntelliJ IDEA: information disclosure | Low3.3 | 2026.2.2 |
| Sep 7 | JetBrains GoLand: missing authentication | Medium5.9 | 2026.2.2.1 |
| Sep 7 | JetBrains YouTrack: information disclosure | Medium6.8 | 2026.2.18769 |
| Sep 7 | JetBrains YouTrack: improper authorization | High7.7 | 2025.3.160480+1 more |
| Sep 7 | JetBrains YouTrack: missing authorization | Medium4.3 | 2026.1.14047 |
| Sep 7 | In JetBrains YouTrack before 2026.1.14047 a missing escalation check let a user... | Medium5.5 | 2026.1.14047 |