CVE-2026-57921: High severity JetBrains YouTrack vulnerability
Published Jun 26, 2026
·Updated
In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint
Affected Software
2 affected components
JetBrains YouTrack<2026.2.16593
JetBrains YouTrack<2026.2.16593
Event History
Jun 26, 2026
CVE Published
via MITRE·12:38 PM
Data Sourced
via MITRE·12:38 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-57921?
The severity of CVE-2026-57921 is medium, with a score of 4.3.
2
What type of vulnerability is CVE-2026-57921?
CVE-2026-57921 is an improper access control vulnerability.
3
How do I fix CVE-2026-57921?
To mitigate CVE-2026-57921, update to JetBrains YouTrack version 2026.2.16593 or later.
4
What data is affected by CVE-2026-57921?
CVE-2026-57921 allows unauthorized access to users' private data through the comment templates endpoint.
5
Is CVE-2026-57921 present in all versions of JetBrains YouTrack?
CVE-2026-57921 affects versions of JetBrains YouTrack prior to 2026.2.16593.