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    CVE-2026-25846

    In JetBrains YouTrack before 2025.3.119033 access tokens could be exposed in Mailbox logs

    Published:Feb 9, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 9, 2026
    EPSS Score:0.00001
    CVSS Score:6.5

    Affected Products

    Vendor
    Jetbrains
    Product
    Youtrack

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-215 Fuzzing for application mapping

    Related CVEs

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    CVE-2026-86499 (CVSS 4.3) — In JetBrains YouTrack before 2026.1.14047 predefined search fields leaked all group names to any user, regardl…
    CVE-2026-86498 (CVSS 7.7) — In JetBrains YouTrack before 2025.3.160480, 2026.1.14047 pUT requests on link sub-resources allowed modificat…
    CVE-2026-86497 (CVSS 6.8) — In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project …
    CVE-2026-86496 (CVSS 4.3) — In JetBrains YouTrack before 2026.2.18769 missing access control on Helpdesk authorized reporters exposed repo…
    CVE-2026-86495 (CVSS 6.5) — In JetBrains YouTrack before 2026.2.18687 missing permission checks allowed creating knowledge base articles i…
    CVE-2026-86494 (CVSS 7.7) — In JetBrains YouTrack before 2026.2.18634 cloning a whiteboard allowed unauthorized changes to links on inacce…
    CVE-2026-86493 (CVSS 6.5) — In JetBrains YouTrack before 2026.2.18634 improper permission checks allowed read-only users to create and mod…
    CVE-2026-86492 (CVSS 8.5) — In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App instal…
    CVE-2026-86491 (CVSS 3.5) — In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploads…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High