---
id: CVE-2026-103496
title: >-
  In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed
  reading other users' notifications
summary: >-
  In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed
  reading other users' notifications
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-639
vendor: jetbrains
product: youtrack
affected:
  - youtrack < 2026.2.19422
patched:
  - youtrack 2026.2.19422
published: '2026-10-01'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T14:25:52.153'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103496'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
    label: cve@jetbrains.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-01T13:10:15.591985Z'
ingestedAt: '2026-10-01T09:41:14.168Z'
epss: 0.00138
epssPercentile: 0.03133
---

## Overview

In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications

## Affected

- `youtrack < 2026.2.19422`

## Remediation

Upgrade past the affected range:

- `youtrack 2026.2.19422`