Description
In JetBrains YouTrack before 2026.2.19422 cSS injection was possible in Mermaid diagrams via configuration directives
Published: 2026-11-06
Score: 3.5 Low
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 06 Nov 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack

Fri, 06 Nov 2026 18:15:00 +0000

Type Values Removed Values Added
Title CSS Injection via Mermaid Diagram Configuration in JetBrains YouTrack

Fri, 06 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.19422 cSS injection was possible in Mermaid diagrams via configuration directives
Weaknesses CWE-1021
References
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N'}


Subscriptions

Jetbrains Youtrack
cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-11-06T16:47:16.888Z

Reserved: 2026-11-06T16:05:46.421Z

Link: CVE-2026-123850

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-06T17:17:24.000

Modified: 2026-11-06T20:20:05.730

Link: CVE-2026-123850

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T19:00:10Z

Weaknesses
  • CWE-1021

    Improper Restriction of Rendered UI Layers or Frames