---
id: CVE-2026-123323
title: >-
  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
summary: >-
  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
severity: high
cvss: 8.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-862
vendor: JetBrains
product: YouTrack
affected:
  - |-
    YouTrack < 2025.3.170763, 
    2026.1.14150, 
    2026.2.19656
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T10:28:06.879Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123323'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
tags:
  - cve.org
ingestedAt: '2026-11-06T10:49:35.350Z'
---

## Overview

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

## Affected

- `YouTrack < 2025.3.170763, 
2026.1.14150, 
2026.2.19656`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.