CVE-2026-57921

Improper Access Control in JetBrains YouTrack Exposes User Private Data via Comment Templates Endpoint

Published Jun 26, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack
Type Values Removed Values Added
Title Improper Access Control in JetBrains YouTrack Exposes User Private Data via Comment Templates Endpoint
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Jun 26, 2026, 1:46 PM
Reserved
Jun 26, 2026, 12:21 PM
Status
Analyzed
Published
Jun 26, 2026, 2:17 PM
Modified
Oct 25, 2026, 10:10 PM