CVE-2026-86478

CRITICALCVSS 9.8

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

Timeline

Published:September 7th, 2026 5:17 PM

Last modified:September 7th, 2026 5:17 PM

CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-290

References & Reports

Advisories, patches, and third-party reports

https://www.jetbrains.com/privacy-security/issues-fixed/

Source: NIST NVD · Data may lag official sources by up to one minute