CVE-2023-4105

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    CVE-2023-4105

    Published: 11 Aug 2023Last Modified: 12 Aug 2026

    Summary: Attachment of deleted message in a thread remains accessible and downloadable

    Details: Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

    References: https://mattermost.com/security-updates, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4105.json, https://nvd.nist.gov/vuln/detail/CVE-2023-4105

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- f14c24391ca84740d90a29ec8b67579326eaa236
    Fixed -f11ff320ca535bce41c999802d611035a3f17000

    Affected versions

    v7.8.7
    v7.8.6
    v7.8.5
    v7.8.4
    v7.8.3
    v7.8.2
    v7.8.1
    v7.8.0

    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
    CVE-2023-4105 | CVE-DB