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MEDIUM · 4.3

CVE-2026-57921

In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint

Vulnerability Description

In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
JetbrainsYoutrack< 2026.2.16593

Related Weaknesses (CWE)

CWE-862

References

FAQ

What is CVE-2026-57921?

CVE-2026-57921 is a vulnerability with a CVSS score of 4.3 (MEDIUM). In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint

How severe is CVE-2026-57921?

CVE-2026-57921 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-57921?

Check the references section above for vendor advisories and patch information. Affected products include: Jetbrains Youtrack.