---
id: CVE-2026-75048
title: >-
  In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block
  language label was possible
summary: >-
  In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block
  language label was possible
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N'
cwe:
  - CWE-79
vendor: jetbrains
product: youtrack
affected:
  - youtrack < 2026.2.18068
patched:
  - youtrack 2026.2.18068
published: '2026-08-17'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T17:48:37.563'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75048'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
    label: cve@jetbrains.com
tags:
  - nvd
epss: 0.00319
epssPercentile: 0.22183
ingestedAt: '2026-09-15T18:41:59.122Z'
---

## Overview

In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible

## Affected

- `youtrack < 2026.2.18068`

## Remediation

Upgrade past the affected range:

- `youtrack 2026.2.18068`