CVE-2026-86498

Unauthorized Modification of Linked Entities via PUT Requests in JetBrains YouTrack

Published Sep 7, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
In JetBrains YouTrack before 2025.3.160480,
2026.1.14047 pUT requests on link sub-resources allowed modification linked entities without update permission

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
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack
Type Values Removed Values Added
Title Unauthorized Modification of Linked Entities via PUT Requests in JetBrains YouTrack
Type Values Removed Values Added
Description In JetBrains YouTrack before 2025.3.160480, 2026.1.14047 pUT requests on link sub-resources allowed modification linked entities without update permission
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Sep 8, 2026, 10:35 AM
Reserved
Sep 7, 2026, 4:13 PM
Status
Deferred
Published
Sep 7, 2026, 5:17 PM
Modified
Sep 8, 2026, 3:30 PM