In JetBrains YouTrack before 2025.3.170763,
2026.1.14150,
2026.2.19656 improper URL validation in the app widget host allowed apps to send REST requests without user confirmation

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.jetbrains.com/privacy-security/issues-fixed/ cve-icon
History

Fri, 06 Nov 2026 10:30:00 +0000

Type Values Removed Values Added
Description In JetBrains YouTrack before 2025.3.170763, 2026.1.14150, 2026.2.19656 improper URL validation in the app widget host allowed apps to send REST requests without user confirmation
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-11-06T10:28:06.879Z

Reserved: 2026-11-05T18:38:28.419Z

Link: CVE-2026-123323

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses