---
id: CVE-2026-103491
title: >-
  In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API
  allowed reading restricted issues
summary: >-
  In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API
  allowed reading restricted issues
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-639
vendor: JetBrains
product: YouTrack
affected:
  - YouTrack < 2026.2.19422
published: '2026-10-01'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T09:15:24.995Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-103491'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
tags:
  - cve.org
ingestedAt: '2026-10-01T09:41:14.170Z'
---

## Overview

In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues

## Affected

- `YouTrack < 2026.2.19422`

## Remediation

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