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    CVE-2026-48810

    FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.221, while investigating the ThreadPolicy::delete issue reported previously, the same missing mailbox membership check was found in the sibling ThreadPolicy::edit method. A user with the PERM_EDIT_CONVERSATIONS permission who created a message or internal note in Mailbox A can rewrite that thread's body after an administrator removes them from Mailbox A, because the policy checks only authorship and a global permission flag — not current mailbox membership. This vulnerability is fixed in 1.8.221.

    Published:May 29, 2026
    Last Modified:Jun 1, 2026
    EPS:May 29, 2026
    EPSS Score:0.00026
    CVSS Score:4.3

    Affected Products

    Vendor
    Freescout Helpdesk
    Product
    Freescout

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-285 Improper Authorization

    Related CVEs

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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