Is Elasticsearch 8.16.4 affected?

Vulnerabilities affecting 8.16.4

• 8.8
  CVE-2026-72649 Deserialization of Untrusted Data (CWE-502) in the Elasticsearch machine learning component can lead to remote code execution via Object Injection (CAPEC-586). A specially crafted trained model art… fixed in 8.19.20
• 7.2
  CVE-2026-103007 Incorrect Authorization (CWE-863) in Elasticsearch can lead to Privilege Escalation via a delegated administrative privilege whose scope is not fully enforced during authorization checks. Elasticse… fixed in 8.19.22
• 7.1
  CVE-2026-103009 Authorization Bypass Through User-Controlled Key (CWE-639) in Elasticsearch can lead to Information Disclosure via a specially crafted cross-cluster search request that references an unauthorized s… fixed in 8.19.23
• 6.8
  CVE-2025-37731 Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate s… fixed in 8.19.8
• 6.5
  CVE-2026-103008 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to Denial of Service via a specially crafted request that causes the server to construct and process a deeply nested data structure with n… fixed in 8.19.23
• 6.5
  CVE-2026-102411 Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to Denial of Service via Excessive Allocation (CAPEC-130). Elasticsearch enforces a size limit on the user-s… fixed in 8.19.23
• 6.5
  CVE-2026-103005 Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with connector management privileges… fixed in 8.19.23
• 6.5
  CVE-2026-103006 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to Denial of Service via a specially crafted, deeply nested request submitted to the aggregation feature of the search API. Elasticsearch… fixed in 8.19.21
• 6.5
  CVE-2026-102404 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted q… fixed in 8.19.23
• 6.5
  CVE-2026-94397 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130) fixed in 8.19.22
• 6.5
  CVE-2026-94398 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130) fixed in 8.19.22
• 6.5
  CVE-2026-94399 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130) fixed in 8.19.22
• 6.5
  CVE-2026-82294 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). fixed in 8.19.21
• 6.5
  CVE-2026-82300 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). fixed in 8.19.22
• 6.5
  CVE-2026-72684 A flaw in Elasticsearch allows an authenticated user holding only read privileges to submit a small search request containing a crafted user-supplied input. Processing that input causes a specific… fixed in 8.19.20
• 6.5
  CVE-2026-72686 A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single request containing a crafted user-supplied input. A specific internal component validates the input using a rec… fixed in 8.19.20
• 6.5
  CVE-2026-72687 A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single small request containing a forged opaque identifier. Elasticsearch decodes and deserializes the identifier befo… fixed in 8.19.20
• 6.5
  CVE-2026-72683 A flaw in Elasticsearch allows an authenticated user with the privileges required to invoke the simulate pipeline API endpoint (https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation… fixed in 8.19.19
• 6.5
  CVE-2026-72647 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single… fixed in 8.19.20
• 6.5
  CVE-2026-72656 Memory Allocation with Excessive Size Value (CWE-789) in the ES|QL query processing of Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user able t… fixed in 8.18.0
• 6.5
  CVE-2026-72636 Uncontrolled Recursion (CWE-674) in the Elasticsearch wildcard matching helper can lead to a denial of service via Excessive Allocation (CAPEC-130). The matcher used to resolve wildcard patterns ag… fixed in 8.19.20
• 6.5
  CVE-2026-72638 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Input Data Manipulation (CAPEC-153). An authenticated user holding only low-privileged index creation permissions… fixed in 8.19.20
• 6.5
  CVE-2026-72645 Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding only read privileges on a si… fixed in 8.19.20
• 6.5
  CVE-2026-63263 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Exponential Data Expansion (CAPEC-197). An authenticated user may submit a specially crafted query to… fixed in 8.19.19
• 6.5
  CVE-2026-63140 Reachable Assertion (CWE-617) in Elasticsearch can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted search request containing a null value in a specific query… fixed in 8.19.19
• 6.5
  CVE-2026-63136 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A user with search privileges can submit a specially crafted search… fixed in 8.19.15
• 6.5
  CVE-2026-56145 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user with permission to execute EQL s… fixed in 8.19.18
• 6.5
  CVE-2026-56148 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted query that causes excess… fixed in 8.19.17
• 6.5
  CVE-2025-68384 Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can allow a low-privileged authenticated user to cause Excessive Allocation (CAPEC-130) causing a persistent denial o… fixed in 8.19.9
• 5.7
  CVE-2025-37727 Insertion of sensitive information in log file in Elasticsearch can lead to loss of confidentiality under specific preconditions when auditing requests to the reindex API https://www.elastic.co/do… fixed in 8.18.8
• 5.4
  CVE-2026-102407 Incorrect Authorization (CWE-863) in Elasticsearch can lead to unauthorized data stream modification via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user wi… fixed in 8.19.19
• 5.4
  CVE-2026-78607 Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges… fixed in 8.19.19
• 5.3
  CVE-2026-56144 Incorrect Authorization (CWE-863) in Elasticsearch can allow an authenticated user with limited index privileges to exploit insufficient authorization controls in the ingest simulation feature. By… fixed in 8.19.18
• 4.9
  CVE-2026-94408 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130) fixed in 8.19.22
• 4.9
  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 sp… fixed in 8.19.20
• 4.9
  CVE-2026-56149 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 sp… fixed in 8.19.17
• 4.9
  CVE-2025-68390 Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can allow an authenticated user with snapshot restore privileges to cause Excessive Allocation (CAPEC-130) of memory… fixed in 8.19.8
• 4.3
  CVE-2026-72685 A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document o… fixed in 8.19.20

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