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    CVE-2026-75045

    In JetBrains YouTrack before 2025.3.156085, 2026.1.13913, 2026.2.18112 an unauthenticated attacker could download database backups via shared draft signature

    Published:Aug 17, 2026
    Last Modified:Sep 15, 2026
    EPS:Aug 17, 2026
    EPSS Score:0.00299
    CVSS Score:9.1

    Affected Products

    Vendor
    Jetbrains
    Product
    Youtrack

    Exploits

    https://github.com/LHeiakim/CVE-2026-75045-PoC

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-127 Directory Indexing
    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-103495 (CVSS 4.3) — In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed reloading of translation catalogs…
    CVE-2026-103494 (CVSS 6.6) — In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group membership changes…
    CVE-2026-103493 (CVSS 8.1) — In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible…
    CVE-2026-103492 (CVSS 6.5) — In JetBrains YouTrack before 2026.2.19422 doS attack was possible via crafted PSD attachments…
    CVE-2026-103491 (CVSS 6.5) — In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues…
    CVE-2026-103490 (CVSS 7.2) — In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group links…
    CVE-2026-103489 (CVSS 2) — In JetBrains YouTrack before 2026.2.19422 hTML injection in VCS command failure notifications was possible…

    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