CVE-2022-2408

    Dashboard / Vulnerabilities / CVE-2022-2408

    CVE-2022-2408

    Published: 14 Jul 2022Last Modified: 27 Aug 2026

    Summary: Guest accounts can list all public channels

    Details: The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.

    References: https://mattermost.com/security-updates/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2408.json, https://nvd.nist.gov/vuln/detail/CVE-2022-2408

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -a030ae538b9cd373b4e0aa808fc426b82ed24937

    Affected versions

    6.6.0
    6.6.1

    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-2022-2408 | CVE-DB