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Vulnerabilities associated with org.elasticsearch:elasticsearch.

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Showing 25 vulnerabilities on this page for org.elasticsearch:elasticsearch

Signals CISA KEV Ransomware Nuclei
VulnerabilityTitle and contextCVSSEPSSPoCsSignals

Elasticsearch Improper Authentication

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 signed by a legitimate, trusted Certificate Authority.

CWE-287CWE-295Dec 15, 2025
CVSS6.8v3.1EPSS0.194%PoCs0SignalsSTIX

Elasticsearch Insertion of sensitive information in log file

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/docs/api/doc/elasticsearch/operation/operation-reindex

CWE-532Oct 10, 2025
CVSS5.7v3.1EPSS0.23%PoCs0SignalsSTIX

Elasticsearch Uncontrolled Resource Consumption vulnerability

Uncontrolled Resource Consumption in Elasticsearch while evaluating specifically crafted search templates with Mustache functions can lead to Denial of Service by causing the Elasticsearch node to crash.

CWE-400May 1, 2025
CVSS6.5v3.1EPSS0.606%PoCs0SignalsSTIX

Elasticsearch Vulnerable to Stack Overflow due to a Large Recursion

An issue was discovered in Elasticsearch, where a large recursion using the Well-KnownText formatted string with nested GeometryCollection objects could cause a stackoverflow.

CWE-400Apr 8, 2025
CVSS4.9v3.1EPSS0.549%PoCs0SignalsSTIX

Elasticsearch Uncontrolled Resource Consumption vulnerability

A flaw was discovered in Elasticsearch, where a large recursion using the innerForbidCircularReferences function of the PatternBank class could cause the Elasticsearch node to crash. A successful attack requires a malicious user to have read_pipeline Elasticsearch cluster privilege assigned to them.

CWE-400Apr 8, 2025
CVSS6.5v3.1EPSS0.515%PoCs0SignalsSTIX

Elasticsearch allocation of resources without limits or throttling leads to crash

An allocation of resources without limits or throttling in Elasticsearch can lead to an OutOfMemoryError exception resulting in a crash via a specially crafted query using an SQL function.

CWE-770Jan 21, 2025
CVSS6.5v3.1EPSS0.607%PoCs0SignalsSTIX

Elasticsearch Incorrect Authorization

An issue was discovered where improper authorization controls affected certain queries that could allow a malicious actor to circumvent Document Level Security in Elasticsearch and get access to documents that their roles would normally not allow.

CWE-863Dec 17, 2024
CVSS6.0v4.0EPSS0.453%PoCs0SignalsSTIX

Elasticsearch elasticsearch-certutil csr fails to encrypt private key

It was discovered by Elastic engineering that when elasticsearch-certutil CLI tool is used with the csr option in order to create a new Certificate Signing Requests, the associated private key that is generated is stored on disk unencrypted even if the --pass parameter is passed in the command invocation.

CWE-311Jul 31, 2024
CVSS-v4.0EPSS0.206%PoCs0SignalsSTIX

Elasticsearch Insertion of Sensitive Information into Log File

An issue was discovered by Elastic whereby Watcher search input logged the search query results on DEBUG log level. This could lead to raw contents of documents stored in Elasticsearch to be printed in logs. Elastic has released 8.11.2 and 7.17.16 that resolves this issue by removing this excessive logging. This issue only affects users that use Watcher and have a Watch defined that uses the search input and additionally have set the search input’s logger to DEBUG or finer, for example using: or…

CWE-532Jul 26, 2024
CVSS-v4.0EPSS0.445%PoCs0SignalsSTIX

Elasticsearch StackOverflow vulnerability

A flaw was discovered in Elasticsearch, affecting document ingestion when an index template contains a dynamic field mapping of “passthrough” type. Under certain circumstances, ingesting documents in this index would cause a StackOverflow exception to be thrown and ultimately lead to a Denial of Service. Note that passthrough fields is an experimental feature.

CWE-122CWE-787Jun 13, 2024
CVSS4.9v3.1EPSS0.618%PoCs0SignalsSTIX

Elasticsearch Uncaught Exception

An uncaught exception in Elasticsearch >= 8.4.0 and < 8.11.1 occurs when an encrypted PDF is passed to an attachment processor through the REST API. The Elasticsearch ingest node that attempts to parse the PDF file will crash. This does not happen with password-protected PDF files or with unencrypted PDF files.

CWE-248Mar 29, 2024
CVSS4.3v3.1EPSS0.681%PoCs0SignalsSTIX

Elasticsearch Incorrect Authorization in the Remote Cluster Security API key based security model

Incorrect Authorization issue exists in the API key based security model for Remote Cluster Security, which is currently in Beta, in Elasticsearch 8.10.0 and before 8.13.0. This allows a malicious user with a valid API key for a remote cluster configured to use the new Remote Cluster Security to read arbitrary documents from any index on the remote cluster, and only if they use the Elasticsearch custom transport protocol to issue requests with the target index ID, the shard ID and the document I…

CWE-863Mar 27, 2024
CVSS4.4v3.1EPSS0.435%PoCs0SignalsSTIX

Elasticsearch Uncontrolled Resource Consumption vulnerability

A flaw was discovered in Elasticsearch, where processing a document in a deeply nested pipeline on an ingest node could cause the Elasticsearch node to crash.

CWE-400Mar 27, 2024
CVSS4.9v3.1EPSS0.951%PoCs0SignalsSTIX

Elasticsearch Improper Handling of Exceptional Conditions

It was identified that malformed scripts used in the script processor of an Ingest Pipeline could cause an Elasticsearch node to crash when calling the Simulate Pipeline API.

CWE-755Nov 22, 2023
CVSS6.5v3.1EPSS0.844%PoCs0SignalsSTIX

Elasticsearch Insertion of sensitive information in audit logs

Elasticsearch generally filters out sensitive information and credentials before logging to the audit log. It was found that this filtering was not applied when requests to Elasticsearch use certain deprecated URIs for APIs. The impact of this flaw is that sensitive information such as passwords and tokens might be printed in cleartext in Elasticsearch audit logs. Note that audit logging is disabled by default and needs to be explicitly enabled and even when audit logging is enabled, request bod…

CWE-532Oct 26, 2023
CVSS4.1v3.1EPSS0.228%PoCs0SignalsSTIX

Elasticsearch uncontrolled resource consumption

An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild.

CWE-400Oct 26, 2023
CVSS7.5v3.1EPSS1.23%PoCs0SignalsSTIX

Elasticsearch StackOverflow vulnerability

A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.

CWE-121CWE-787Oct 26, 2023
CVSS6.5v3.1EPSS60.7%PoCs2SignalsSTIX

Improper Check for Unusual or Exceptional Conditions in Elasticsearch

A Denial of Service flaw was discovered in Elasticsearch. Using this vulnerability, an unauthenticated attacker could forcibly shut down an Elasticsearch node with a specifically formatted network request.

CWE-754Jun 6, 2022
CVSS7.5v3.1EPSS7.56%PoCs0SignalsSTIX

Withdrawn: Cross-site Scripting in Kibana

A cross-site-scripting (XSS) vulnerability was discovered in the Data Preview Pane (previously known as Index Pattern Preview Pane) which could allow arbitrary JavaScript to be executed in a victim’s browser.

CWE-79Mar 3, 2022
CVSS6.1v3.1EPSS0.771%PoCs0SignalsSTIX

Elasticsearch privilege escalation

A flaw was discovered in Elasticsearch 7.17.0’s upgrade assistant, in which upgrading from version 6.x to 7.x would disable the in-built protections on the security index, allowing authenticated users with “*” index permissions access to this index.

CWE-264CWE-269Mar 3, 2022
CVSS4.3v3.1EPSS0.924%PoCs0SignalsSTIX

Exposure of sensitive information in Elasticsearch

Elasticsearch before 7.14.0 did not apply document and field level security to searchable snapshots. This could lead to an authenticated user gaining access to information that they are unauthorized to view.

CWE-732CWE-862Sep 15, 2021
CVSS6.5v3.1EPSS1.04%PoCs0SignalsSTIX

Denial of Service in Elasticsearch

In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.

CWE-674Jul 26, 2021
CVSS6.5v3.1EPSS2.18%PoCs0SignalsSTIX

Exposure of Sensitive Information to an Unauthorized Actor in Elasticsearch

In Elasticsearch versions before 7.11.2 and 6.8.15 a document disclosure flaw was found when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain cross-cluster search queries. This could result in the search disclosing the existence of documents the attacker should not be able to view. This could result in an attacker gaining additional insight into potentially sensitive indices.

CWE-200CWE-281May 13, 2021
CVSS5.3v3.1EPSS1.11%PoCs0SignalsSTIX

API information disclosure flaw in Elasticsearch

Elasticsearch versions before 7.11.2 and 6.8.15 contain a document disclosure flaw was found in the Elasticsearch suggester and profile API when Document and Field Level Security are enabled. The suggester and profile API are normally disabled for an index when document level security is enabled on the index. Certain queries are able to enable the profiler and suggester which could lead to disclosing the existence of documents and fields the attacker should not be able to view.

CWE-200May 13, 2021
CVSS5.3v3.1EPSS1.16%PoCs0SignalsSTIX

Exposure of Sensitive Information to an Unauthorized Actor

A document disclosure flaw was found in Elasticsearch versions after 7.6.0 and before 7.11.0 when Document or Field Level Security is used. Get requests do not properly apply security permissions when executing a query against a recently updated document. This affects documents that have been updated and not yet refreshed in the index. This could result in the search disclosing the existence of documents and fields the attacker should not be able to view.

CWE-200CWE-863Mar 8, 2021
CVSS4.3v3.1EPSS1.11%PoCs0SignalsSTIX