CVE-2023-6459

    Dashboard / Vulnerabilities / CVE-2023-6459

    CVE-2023-6459

    Published: 6 Dec 2023Last Modified: 25 Sept 2026

    Summary: Public endpoint /metrics of Calls plugin reveals channel IDs

    Details: Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.

    References: https://mattermost.com/security-updates, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6459.json, https://nvd.nist.gov/vuln/detail/CVE-2023-6459

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -b245d967c8c3d158a899c38166151254d6ee0d11

    Affected versions

    v8.1.5-rc1
    v8.1.4-rc2
    v8.1.4
    v8.1.4-rc1
    v8.1.3-rc2
    v8.1.3
    v8.1.3-rc1
    v8.1.2-rc2
    v8.1.2
    v8.1.2-rc1
    v8.1.1-rc2
    v8.1.1
    v8.1.1-rc1
    v8.1.0-rc2
    v8.1.0

    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-2023-6459 | CVE-DB