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Product · Elastic

Elasticsearch

91 known vulnerabilities.

Elasticsearch at a glance

Last 12 months
51
Critical · all time
0
Exploited · all time
0
Public exploit · all time
3
New vulnerabilities per month · last 12 months
0 10 20 December 2025: 3 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 9 vulnerabilities August 2026: 14 vulnerabilities September 2026: 11 vulnerabilities Sep October 2026: 10 vulnerabilities November 2026: 4 vulnerabilities
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91 results · Feed

  • Medium 6.5

    Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

    Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to denial of service via a specially crafted input value that is processed by an affected phonetic encoder of the analysis-phonetic plugin. An authenticated user with per…

  • Medium 4.2

    Use of Cache Containing Sensitive Information in Elasticsearch Leading to Information Disclosure

    Use of Cache Containing Sensitive Information (CWE-524) in Elasticsearch can lead to information disclosure and incorrect search results via specially crafted search requests. For some query types, Elasticsearch can share cached query results between users wh…

  • Medium 4.3

    Incorrect Authorization in Elasticsearch Leading to Information Disclosure

    Incorrect Authorization (CWE-863) in Elasticsearch can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user whose index access is restricted by field-level security can retrieve the value…

  • High 7.5
    CVE-2026-115290 Public exploit

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An unauthenticated attacker with network access to the remote cluster server interface of a node can send a specially crafted…

  • High 7.1

    Authorization Bypass Through User-Controlled Key in Elasticsearch Leading to Information Disclosure

    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 shard identifier. Elasticsearch contains an authorization bypas…

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    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 no bound on recursion depth. Elasticsearch contains an uncontro…

  • High 7.2

    Incorrect Authorization in Elasticsearch Leading to Privilege Escalation

    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. Elasticsearch contains an incorrect authorization weakness in a configu…

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    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 contains an uncontrolled recursion weakness in its search aggr…

  • Medium 6.5

    Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

    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 could cause the cluster to allocate an uncontrolled amount of…

  • Medium 6.5

    Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

    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-supplied metadata field for each individual template resource, …

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    Uncontrolled Recursion (CWE-674) in Elasticsearch can allow an authenticated user with low privileges to terminate an Elasticsearch node, resulting in denial of service, via Excessive Allocation (CAPEC-130).

  • Medium 4.3

    Inefficient Regular Expression Complexity in Elasticsearch Leading to Denial of Service

    Inefficient Regular Expression Complexity (CWE-1333) in Elasticsearch can lead to denial of service via Regular Expression Exponential Blowup (CAPEC-492). The ES|QL CHUNK function's recursive chunking strategy accepts a list of user-supplied regular expressio…

  • Medium 5.4

    Incorrect Authorization in Elasticsearch Leading to Unauthorized Data Stream Modification

    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 with sufficient privileges over a single resource could use the …

  • Medium 6.5

    Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

    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 query that causes uncontrolled memory growth in the query proce…

  • Medium 4.9

    Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service

    Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

  • Medium 6.5

    Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service

    Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

  • Medium 6.5

    Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service

    Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

  • Medium 6.5

    Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service

    Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

  • Medium 6.5

    Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service

    Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

  • Medium 6.5

    Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

    Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).

  • Medium 6.5

    Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

    Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).

  • Medium 5.4

    Missing Authorization in Elasticsearch Leading to Information Disclosure

    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 could cause outbound inference traffic to be directed to a des…

  • Medium 5.9

    Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in Elasticsearch Leading to Information Disclosure

    Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') (CWE-444) in Elasticsearch can lead to information disclosure via HTTP Request Smuggling (CAPEC-33). Under specific proxy deployment configurations, a network attacker could obtain confid…

  • High 8.8

    Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution

    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 artifact could cause attacker-controlled logic to execute with a …

  • Medium 4.9

    Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

    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 consumpti…

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Wildcard Matching Leading to Denial of Service

    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 against names is implemented recursively and had no bound on rec…

  • High 8.8

    Use of Out-of-range Pointer Offset in the Elasticsearch Machine Learning Native Inference Process

    The native inference process that Elasticsearch uses to evaluate uploaded machine learning models accepts a model operation that computes a memory address from an offset supplied inside the model, without validating that the offset stays within the bounds of …

  • Medium 6.5

    Memory Allocation with Excessive Size Value in Elasticsearch Highlighting Leading to Denial of Service

    Elasticsearch does not enforce an upper bound on a user-supplied count accepted by a search highlighting option, and the allocation derived from that count is not accounted against any circuit breaker. An authenticated user holding only read privileges on a s…

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    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 can submit a single request containing a specially crafted, m…

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    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 index can submit one specially crafted search request whose de…

  • Medium 6.5

    Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

    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 single index can submit one small, specially crafted search requ…

  • Medium 6.5

    Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

    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 to submit ES|QL queries could send a specially crafted query wh…

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    Elasticsearch does not apply its configurable input length restriction to a user-supplied pattern accepted by an intervals query. Compiling a deeply nested pattern drives unbounded recursion that exhausts the thread stack and raises a fatal error, terminating…

  • Medium 6.5

    Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

    Elasticsearch does not validate a size value taken from a user-supplied input before that value is used to reserve memory for an internal data structure. An authenticated user holding only read privileges can submit a single small crafted request to a product…

  • Medium 6.5

    Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

    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 before confirming that it was legitimately issued by the cluster, …

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    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 recursive routine and applies no bound to the length of the value…

  • Medium 4.3

    Inefficient Algorithmic Complexity in Elasticsearch Leading to Denial of Service

    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 occupies a worker thread from a bounded pool for a disproportio…

  • Medium 6.5

    Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

    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 internal component to allocate memory without any upper bound,…

  • Medium 6.5

    Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

    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-ingest-simulate) to submit a request that causes a self-refer…

  • Medium 6.5

    Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

    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 the ES|QL engine that causes exponential CPU consumption durin…