---
id: CVE-2026-100274
title: >-
  In JetBrains YouTrack before 2026.2.19197 project Admin could trigger DoS via
  a notification template
summary: >-
  In JetBrains YouTrack before 2026.2.19197 project Admin could trigger DoS via
  a notification template
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: jetbrains
product: youtrack
affected:
  - youtrack < 2026.2.19197
patched:
  - youtrack 2026.2.19197
published: '2026-09-30'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T16:18:48.100'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100274'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
    label: cve@jetbrains.com
tags:
  - nvd
  - cve.org
epss: 0.00843
epssPercentile: 0.57745
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-30T15:32:04.675176Z'
ingestedAt: '2026-09-30T16:10:07.776Z'
---

## Overview

In JetBrains YouTrack before 2026.2.19197 project Admin could trigger DoS via a notification template

## Affected

- `youtrack < 2026.2.19197`

## Remediation

Upgrade past the affected range:

- `youtrack 2026.2.19197`