CVE Feed

    Dashboard / CVE / CVE-2026-56143

    CVE-2026-56143

    Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.

    Published:Sep 1, 2026
    Last Modified:Sep 4, 2026
    EPS:Sep 1, 2026
    EPSS Score:0.0031
    CVSS Score:4.9

    Affected Products

    Vendor
    Elastic
    Product
    Elasticsearch

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-78607 (CVSS 5.4) — Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosu…
    CVE-2026-78605 (CVSS 5.9) — Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') (CWE-444) in Elasticsearch can lead to…
    CVE-2026-72649 (CVSS 8.8) — Deserialization of Untrusted Data (CWE-502) in the Elasticsearch machine learning component can lead to remote…
    CVE-2026-72636 (CVSS 6.5) — Uncontrolled Recursion (CWE-674) in the Elasticsearch wildcard matching helper can lead to a denial of service…
    CVE-2026-72642 (CVSS 8.8) — The native inference process that Elasticsearch uses to evaluate uploaded machine learning models accepts a mo…
    CVE-2026-72639 (CVSS 6.5) — Elasticsearch does not enforce an upper bound on a user-supplied count accepted by a search highlighting optio…
    CVE-2026-72638 (CVSS 6.5) — Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Input Data Manipulation (C…
    CVE-2026-72647 (CVSS 6.5) — Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Neste…
    CVE-2026-72645 (CVSS 6.5) — Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Exces…
    CVE-2026-72656 (CVSS 6.5) — Memory Allocation with Excessive Size Value (CWE-789) in the ES|QL query processing of Elasticsearch can lead …

    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