BIT-elk-2026-78596

    Dashboard / Vulnerabilities / BIT-elk-2026-78596

    BIT-elk-2026-78596

    Published: 9 Sept 2026Last Modified: 9 Sept 2026

    Summary: Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations

    Details: Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.

    References: https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-154/390161, https://nvd.nist.gov/vuln/detail/CVE-2026-78596

    Affected packages

    Package

    Name: elk

    Purl: pkg:bitnami/elk

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 8.18.3
    Fixed -8.19.21

    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
    BIT-elk-2026-78596 | CVE-DB