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    CVE-2026-78583

    Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Input Data Manipulation (CAPEC-153). Elasticsearch cluster privilege declarations originating from integration packages were not validated before being used to mint credentials for enrolled Elastic Agents. A user holding Fleet management privileges could therefore cause every Elastic Agent on a targeted policy to receive a credential carrying arbitrarily elevated Elasticsearch cluster privileges, up to and including full cluster administration.

    Published:Sep 3, 2026
    Last Modified:Sep 8, 2026
    EPS:Sep 3, 2026
    EPSS Score:0.00201
    CVSS Score:8.1

    Affected Products

    Vendor
    Elastic
    Product
    Kibana

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-82302 (CVSS 8.1) — Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized configuration modification via Exploiting…
    CVE-2026-82299 (CVSS 6.5) — Incorrect Authorization (CWE-863) in Kibana can lead to information disclosure via Exploiting Incorrectly Conf…
    CVE-2026-82298 (CVSS 4.3) — Incorrect Authorization (CWE-863) in Kibana can lead to denial of service via Exploiting Incorrectly Configure…
    CVE-2026-78596 (CVSS 4.3) — Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862)…
    CVE-2026-78595 (CVSS 4.3) — Missing Authorization in Kibana Leading to Information Disclosure / Missing Authorization (CWE-862) in the Kib…
    CVE-2026-78593 (CVSS 4.3) — An insufficiently validated configuration field in Kibana's Cribl integration allows an authenticated user hol…
    CVE-2026-82293 (CVSS 4.3) — Incorrect Authorization (CWE-863) in the Kibana machine learning feature can lead to unauthorized resource con…
    CVE-2026-78586 (CVSS 6.5) — Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via E…
    CVE-2026-78584 (CVSS 4.3) — Observable Response Discrepancy (CWE-204) in the Kibana Osquery feature can lead to information disclosure via…
    CVE-2026-78591 (CVSS 6.3) — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22) in the Kibana Fleet fe…

    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