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    CVE-2026-91970

    Vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the Planka migrator that fails to enforce aggregate memory budgets during migration jobs. Authenticated attackers can submit migration requests pointing to attacker-controlled servers advertising numerous size-compliant attachments, exhausting worker memory and causing denial of service for all users.

    Published:Sep 15, 2026
    Last Modified:Sep 16, 2026
    EPS:Sep 15, 2026
    EPSS Score:0.00368
    CVSS Score:6.5

    Affected Products

    Vendor
    Go-vikunja
    Product
    Vikunja
    Vendor
    Vikunja
    Product
    Vikunja

    Exploits

    No exploit reference

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    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