GHSA-72v2-v53v-4qmm

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    GHSA-72v2-v53v-4qmm

    Published: 26 Jun 2026Last Modified: 6 Nov 2026

    Summary: github.com/mattermost/mattermost/server/public vulnerable to path traversal in API route construction

    Details: The Mattermost Go module github.com/mattermost/mattermost/server/public versions < v0.1.22 fail to validate path parameters when constructing API route paths which allows an attacker to redirect API calls to unintended endpoints via crafted IDs containing path traversal components. Mattermost Advisory ID: MMSA-2025-00532

    References: https://nvd.nist.gov/vuln/detail/CVE-2026-13426, https://github.com/mattermost/mattermost/pull/34499, https://github.com/mattermost/mattermost/pull/39305, https://github.com/mattermost/mattermost/commit/2b075c9b74effbb56f3769f1bdec161eef4c6808, https://github.com/mattermost/mattermost/commit/64c16ff0ea7f455ee648bfe906407def1274fbd3, https://github.com/mattermost/mattermost, https://github.com/mattermost/mattermost/releases/tag/server/public/v0.1.22, https://mattermost.com/security-updates

    Affected packages

    Package

    Name: github.com/mattermost/mattermost/server/public

    Purl: pkg:golang/github.com/mattermost/mattermost/server/public

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.1.22

    Affected versions

    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
    GHSA-72v2-v53v-4qmm | CVE-DB