CVE-2026-82062

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    CVE-2026-82062

    Published: 8 Sept 2026Last Modified: 18 Sept 2026

    Summary: Improper Authorization in MongoDB Server applyOps Command Allows Writes to Arbitrary Internal Storage Tables via Feature Gate Bypass

    Details: A security issue in MongoDB Server allows an authenticated user with elevated internal privileges to bypass a disabled feature gate in the applyOps command by specifying an internal replication mode value that was not intended to be client-selectable. This bypass enables execution of container operations that are disabled by default in production configurations, allowing direct storage-engine writes to arbitrary internal storage tables. The authorization check for these operations validates only the operation's namespace, not the actual storage target, enabling writes to unrelated internal metadata or other collections' data.

    References: https://jira.mongodb.org/browse/SERVER-131138, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82062.json, https://nvd.nist.gov/vuln/detail/CVE-2026-82062

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0f29b043a58fdd251ce0a0b32754b8459613c933
    Fixed -1dc3d60c3237b53589325474c668e849ecec3bae

    Affected versions

    r8.3.3
    r8.3.0

    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-2026-82062 | CVE-DB