CVE-2026-82061

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    CVE-2026-82061

    Published: 8 Sept 2026Last Modified: 18 Sept 2026

    Summary: Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service

    Details: A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. No user interaction is required.

    References: https://jira.mongodb.org/browse/SERVER-130907, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82061.json, https://nvd.nist.gov/vuln/detail/CVE-2026-82061

    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-2026-82061 | CVE-DB