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JetBrains YouTrack Access Token Exposure Vulnerability in Mailbox Logs

Vulnerability

A vulnerability exists in JetBrains YouTrack versions prior to 2025.3.119033, where access tokens could be inadvertently exposed in Mailbox logs. This issue could lead to unauthorized access or actions by revealing sensitive authentication tokens.

Impact

Exploitation of this vulnerability could result in unauthorized access to YouTrack services or data, by allowing an attacker to use the exposed access tokens.

Remediation

Users can update to JetBrains YouTrack version 2025.3.119033 or later to address this vulnerability.

Added: Feb 9, 2026, 11:19 AM
Updated: Feb 9, 2026, 4:19 PM

Vulnerability Rating

Custom Algorithm
spread
5.0
impact
2.5
exploitability
5.2
remediation
7.7
relevance
2.9
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.