Description
In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content
Published: 2026-09-07
Score: 3.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 08 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Mon, 07 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Title Read‑Only Users Can Modify Canvas via Crafted WebSocket Message in JetBrains YouTrack
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack

Mon, 07 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content
Weaknesses CWE-863
References
Metrics cvssV3_1

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

Subscriptions

Jetbrains Youtrack
cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-09-08T10:35:03.009Z

Reserved: 2026-09-07T16:13:36.285Z

Link: CVE-2026-86487

cve-icon Vulnrichment

Updated: 2026-09-08T10:33:17.893Z

cve-icon NVD

Status : Deferred

Published: 2026-09-07T17:17:26.947

Modified: 2026-09-08T15:30:03.247

Link: CVE-2026-86487

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T17:30:06Z

Weaknesses