JetBrainsCVE-2026-86486
JetBrains YouTrack: missing authentication
Fix: upgrade to 2026.2.18634 or later
In JetBrains YouTrack before 2026.2.18634 the generic VCS webhook handler failed open when its secret was blank
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:N/UI:N/S:U/C:N/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-306