CVE-2026-100260
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Authentication Bypass in JetBrains YouTrack After Password Reset

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: JetBrains s.r.o.

Description
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-100260
EUVD
EUVD-2026-90004

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains youtrack to 2026.2.18991 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-1188 The product initializes or sets a resource with a default that is intended to be changed by the product's installer, administrator, or maintainer, but the default is not secure.

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Executive Summary

This vulnerability in JetBrains YouTrack before version 2026.2.18991 allows authentication to continue even after a user performs a password reset. This means an attacker who gains access to a reset token or session could still log in without needing the new password.

Impact Analysis

If you use an affected version of YouTrack, an attacker could potentially maintain unauthorized access to your account even after you reset your password. This could lead to data theft, unauthorized changes, or other malicious activities within your project management system.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.18991 or later to address the authentication issue after password reset.

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