CVE-2026-86487

LowCVSS 3.1/10Last modified Sep 8, 2026

Description

In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content

Metrics

CVSS 3.1 3.1/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-863

Affected software

No affected versions have been published.

Timeline

Published
Sep 7, 2026
Last modified
Sep 8, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-864886.5In JetBrains YouTrack before 2026.2.18634 iDOR via the watchRules and issueListConfig endpoints exposed private saved searchesCVE-2026-864896.5In JetBrains YouTrack before 2026.2.18634 an IDOR in the user profile API disclosed private issues and starred folders across organizationsCVE-2026-86499.8Improper Neutralization of Special Elements in Data Query Logic vulnerability in Progress MOVEit Transfer (Custom Reports modules). This isCVE-2026-864906.5In JetBrains YouTrack before 2026.2.18634 improper permission checks allowed overwriting of bundled apps via the app import endpointCVE-2026-864913.5In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploadsCVE-2026-864928.5In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokensCVE-2026-864936.5In JetBrains YouTrack before 2026.2.18634 improper permission checks allowed read-only users to create and modify whiteboard cardsCVE-2026-864947.7In JetBrains YouTrack before 2026.2.18634 cloning a whiteboard allowed unauthorized changes to links on inaccessible issuesCVE-2026-864956.5In JetBrains YouTrack before 2026.2.18687 missing permission checks allowed creating knowledge base articles in inaccessible projectsCVE-2026-864964.3In JetBrains YouTrack before 2026.2.18769 missing access control on Helpdesk authorized reporters exposed reporter email addressesCVE-2026-864976.8In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stCVE-2026-864987.7In JetBrains YouTrack before 2025.3.160480, 2026.1.14047 pUT requests on link sub-resources allowed modification linked entities without up
CVE-2026-86487: Low severity, CVSS 3.1 | Vulnix