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Known vulnerabilities in Elasticsearch

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CVE Summary Score Published
CVE-2026-72636 Uncontrolled Recursion (CWE-674) in the Elasticsearch wildcard matching helper can lead to a denial of service via… 6.5 Medium Aug 13, 2026
CVE-2026-72642 The native inference process that Elasticsearch uses to evaluate uploaded machine learning models accepts a model… 8.8 High Aug 13, 2026
CVE-2026-72639 Elasticsearch does not enforce an upper bound on a user-supplied count accepted by a search highlighting option, and the… 6.5 Medium Aug 13, 2026
CVE-2026-72638 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Input Data Manipulation (CAPEC-153) 6.5 Medium Aug 13, 2026
CVE-2026-72647 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads… 6.5 Medium Aug 13, 2026
CVE-2026-72645 Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive… 6.5 Medium Aug 13, 2026
CVE-2026-72656 Memory Allocation with Excessive Size Value (CWE-789) in the ES|QL query processing of Elasticsearch can lead to… 6.5 Medium Aug 13, 2026
CVE-2026-72679 Elasticsearch does not apply its configurable input length restriction to a user-supplied pattern accepted by an… 6.5 Medium Aug 13, 2026
CVE-2026-72678 Elasticsearch does not validate a size value taken from a user-supplied input before that value is used to reserve… 6.5 Medium Aug 13, 2026
CVE-2026-72687 A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single small request containing a… 6.5 Medium Aug 13, 2026
CVE-2026-72686 A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single request containing a crafted… 6.5 Medium Aug 13, 2026
CVE-2026-72685 A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small… 4.3 Medium Aug 13, 2026
CVE-2026-72684 A flaw in Elasticsearch allows an authenticated user holding only read privileges to submit a small search request… 6.5 Medium Aug 13, 2026
CVE-2026-72683 A flaw in Elasticsearch allows an authenticated user with the privileges required to invoke the simulate pipeline API… 6.5 Medium Aug 13, 2026
CVE-2026-63263 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Exponential Data… 6.5 Medium Jul 21, 2026
CVE-2026-63144 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via a specially crafted search request… 6.5 Medium Jul 21, 2026
CVE-2026-63140 Reachable Assertion (CWE-617) in Elasticsearch can lead to denial of service via Input Data Manipulation (CAPEC-153) 6.5 Medium Jul 21, 2026
CVE-2026-63136 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation… 6.5 Medium Jul 21, 2026
CVE-2026-56145 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation… 6.5 Medium Jul 21, 2026
CVE-2026-56144 Incorrect Authorization (CWE-863) in Elasticsearch can allow an authenticated user with limited index privileges to… 5.3 Medium Jul 21, 2026
CVE-2026-49090 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service via Excessive Allocation… 6.5 Medium Jul 1, 2026
CVE-2026-56149 Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via… 4.9 Medium Jul 1, 2026
CVE-2026-56148 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130) 6.5 Medium Jul 1, 2026
CVE-2025-68390 Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can allow an authenticated user with… 4.9 Medium Dec 18, 2025
CVE-2025-68384 Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can allow a low-privileged authenticated… 6.5 Medium Dec 18, 2025

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