CVE-2026-86478

State: Published
Severity: 9.8 Critical
Published: Sep 7, 2026
Updated: Sep 9, 2026
Reserved: Sep 7, 2026

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

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	JetBrains

Weaknesses

CWE-290

Affected Products

Product	Versions
YouTrackJetBrains	before 2025.3.161254, 2026.1.14042Affected

References

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

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