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    CVE-2026-39374

    Plane is an an open-source project management tool. Prior to 1.3.0, the IssueBulkUpdateDateEndpoint allows a project member (ADMIN or MEMBER) to modify the start_date and target_date of ANY issue across the entire Plane instance, regardless of workspace or project membership. The endpoint fetches issues by ID without filtering by workspace or project, enabling cross-boundary data modification. This vulnerability is fixed in 1.3.0.

    Published:Apr 7, 2026
    Last Modified:Apr 15, 2026
    EPS:Apr 7, 2026
    EPSS Score:0.00029
    CVSS Score:6.5

    Affected Products

    Vendor
    Makeplane
    Product
    Plane
    Vendor
    Plane
    Product
    Plane

    Exploits

    https://github.com/makeplane/plane/security/advisories/GHSA-4q54-h4x9-m329

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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