---
id: CVE-2026-86479
title: >-
  In JetBrains YouTrack before 2026.2.18788, 

  2026.1.14055, 

  2025.3.161254 missing authorisation allowed access to restricted REST API
  resources via IDOR
summary: >-
  In JetBrains YouTrack before 2026.2.18788, 

  2026.1.14055, 

  2025.3.161254 missing authorisation allowed access to restricted REST API
  resources via IDOR
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-862
vendor: JetBrains
product: YouTrack
affected:
  - |-
    YouTrack < 2026.2.18788, 
    2026.1.14055, 
    2025.3.161254
published: '2026-09-07'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T05:18:19.723'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86479'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
    label: cve@jetbrains.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-08T10:23:57.352472Z'
scores:
  nvd: 8.1
  cna: 8
epss: 0.0035
epssPercentile: 0.2592
ingestedAt: '2026-09-08T15:33:26.979Z'
---

## Overview

In JetBrains YouTrack before 2026.2.18788, 
2026.1.14055, 
2025.3.161254 missing authorisation allowed access to restricted REST API resources via IDOR

## Remediation

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