CVE-2026-100259

YouTrack Gantt Chart Improper Access Control Allows Edits by View‑Only Users

Published Sep 30, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
In JetBrains YouTrack before 2026.2.18991 improper access control on Gantt chart allowed edits by users with view-only access

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
Metrics ssvc

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

Type Values Removed Values Added
CPEs cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack
Type Values Removed Values Added
Title YouTrack Gantt Chart Improper Access Control Allows Edits by View‑Only Users
Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.18991 improper access control on Gantt chart allowed edits by users with view-only access
Weaknesses CWE-863
References
Metrics cvssV3_1

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Sep 30, 2026, 3:48 PM
Reserved
Sep 25, 2026, 5:02 PM
Status
Analyzed
Published
Sep 30, 2026, 4:16 PM
Modified
Oct 2, 2026, 8:35 PM