In JetBrains YouTrack before 2025.3.161254, 2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeover via a self-asserted email address
History

Tue, 08 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 07 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated Account Takeover via Self‑Asserted Email Authentication in YouTrack Helpdesk

Mon, 07 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack

Mon, 07 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Description In JetBrains YouTrack before 2025.3.161254, 2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeover via a self-asserted email address
Weaknesses CWE-290
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published: 2026-09-07T16:26:40.709Z

Updated: 2026-09-09T04:25:56.540Z

Reserved: 2026-09-07T16:13:33.299Z

Link: CVE-2026-86478

cve-icon Vulnrichment

Updated: 2026-09-08T10:33:36.585Z

cve-icon NVD

Status : Deferred

Published: 2026-09-07T17:17:25.920

Modified: 2026-09-09T05:18:19.617

Link: CVE-2026-86478

cve-icon Redhat

No data.