JetBrains YouTrack 2026.2.18788 IDOR: Unauthorized REST API Access
CVE-2026-86479 Published on September 7, 2026
In JetBrains YouTrack before 2026.2.18788, 2026.1.14055, 2025.3.161254 missing authorisation allowed access to restricted REST API resources via IDOR
Vulnerability Analysis
CVE-2026-86479 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-86479 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-86479
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Affected Versions
JetBrains YouTrack:- Before 2026.2.18788, 2026.1.14055, 2025.3.161254 is affected.