CVE-2026-123324: High severity vulnerability

Published Nov 6, 2026

Updated

In JetBrains YouTrack before 2026.2.19562 information disclosure via shared mailbox message history was possible

Event History

Nov 6, 2026

CVE Published

via MITRE·10:28 AM

Data Sourced

via MITRE·10:28 AM

DescriptionSeverityWeakness

Frequently Asked Questions

Who could exploit this issue?

An attacker needs network access and low-privileged access to YouTrack. No user interaction is required.

What information could be exposed?

The issue could disclose information through shared mailbox message history. The available data does not identify the specific types of message content or metadata exposed.

Which versions should be remediated?

YouTrack versions before 2026.2.19562 are affected. Upgrade to 2026.2.19562 or a later version.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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