EL
Database
Elasticsearch
by Elastic · last CVE Oct 6, 2026
On CISA KEVExploited in the wild
95
CVEs
2
On KEV
9.8
Max CVSS
10
New 30D
Severity mix
Critical 2High 24Medium 65Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-63263
6.5
0%
Jul 21
Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
Affected: 9.4.0 through 9.4.3; 9.0.0 through 9.3.7; 8.0.0 through 8.19.18
CVE-2026-63144
6.5
0%
Jul 21
Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
Affected: 9.4.0 through 9.4.3; 9.3.0 through 9.3.7; 8.19.0 through 8.19.18
CVE-2026-63140
6.5
0%
Jul 21
Reachable Assertion in Elasticsearch Leading to Denial of Service
Affected: 9.0.0 through 9.3.7; 9.4.0 through 9.4.3; 8.0.0 through 8.19.18
CVE-2026-63136
6.5
0%
Jul 21
Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
Affected: 8.0.0 through 8.19.14; 9.3.0 through 9.3.3; 9.0.0 through 9.2.8
CVE-2026-56145
6.5
0%
Jul 21
Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
Affected: 9.4.0 through 9.4.3; 8.0.0 through 8.19.17; 9.0.0 through 9.3.6
CVE-2026-56144
6.5
0%
Jul 21
Incorrect Authorization in Elasticsearch Leading to Information Disclosure
Affected: 9.4.0 through 9.4.3; 9.0.0 through 9.3.7; 8.12.0 through 8.19.18
CVE-2026-49090
6.5
0%
Jul 1
Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
Affected: 8.0.0 through 8.14.3; 7.0.0 through 7.17.23
CVE-2026-56148
6.5
0%
Jul 1
Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
Affected: 9.4.0 through 9.4.2; 9.0.0 through 9.3.5; 8.0.0 through 8.19.16
CVE-2025-68384
6.5
0%
Dec 18
Elasticsearch Allocation of Resources Without Limits or Throttling
Affected: 7.0.0 through 7.17.29; 8.0.0 through 8.19.8; 9.0.0 through 9.1.8; 9.2.0 through 9.2.2
CVE-2024-52980
6.5
1%
Apr 8
A flaw was discovered in Elasticsearch, where a large recursion using the innerForbidCircularReferences function of the PatternBank class could cause the Elasticsearch node to…
Affected: 7.17.0 before 8.15.1
CVE-2024-12539
6.5
0%
Dec 17
Elasticsearch Incorrect Authorization
Affected: 8.16.0 through 8.16.1
CVE-2023-49921
6.5
0%
Jul 26
An issue was discovered by Elastic whereby Watcher search input logged the search query results on DEBUG log level
Affected: 7.0.0 before 7.17.16; 8.0.0 before 8.11.2
CVE-2024-23445
6.5
0%
Jun 12
It was identified that if a cross-cluster API key…
Affected: 8.10.0 before 8.14.0
CVE-2024-23451
6.5
0%
Mar 27
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
Affected: 8.10.0 before 8.13.0
CVE-2021-22147
6.5
1%
Sep 15
Elasticsearch before 7.14.0 did not apply document and field level security to searchable snapshots
Affected: 7.11.0 before 7.14.0
CVE-2021-22144
6.5
2%
Jul 26
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…
Affected: before 6.8.17; 7.0.0 before 7.13.3
CVE-2021-22145
6.5
76%
Jul 21
A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting
Affected: 7.10.0 through 7.13.3
CVE-2020-7019
6.5
1%
Aug 18
In Elasticsearch before 7.9.0 and 6.8.12 a field disclosure flaw was found when running a scrolling search with Field Level Security
Affected: before 6.8.12; 7.0.0 before 7.9.0
CVE-2018-17244
6.5
1%
Dec 20
Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms
Affected: 6.4.0 through 6.4.2
CVE-2018-3826
6.5
1%
Sep 19
In Elasticsearch versions 6.0.0-beta1 to 6.2.4 a disclosure flaw was found in the _snapshot API
Affected: 6.0.0 through 6.2.4; 6.0.0
CVE-2026-78605
5.9
0%
Sep 1
Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in Elasticsearch Leading to Information Disclosure
Affected: 8.18.0 through 8.19.19; 9.0.0 through 9.4.4; 9.5.0
CVE-2019-7614
5.9
1%
Jul 30
A race condition flaw was found in the response headers Elasticsearch versions before 7.2.1 and 6.8.2 returns to a request
Affected: before 6.8.2; 7.0.0 before 7.2.1
CVE-2018-17247
5.9
1%
Dec 20
Elasticsearch Security versions 6.5.0 and 6.5.1 contain an XXE flaw in Machine Learning's find_file_structure API
Affected: 6.5.0; 6.5.1
CVE-2025-37727
5.7
0%
Oct 10
Elasticsearch Insertion of sensitive information in log file
Affected: 7.0.0 through 7.17.29; 8.0.0 through 8.18.7; 8.19.0 through 8.19.4; 9.0.0 through 9.0.7; 9.1.0 through 9.1.4
CVE-2026-102407
5.4
0%
Oct 6
Incorrect Authorization in Elasticsearch Leading to Unauthorized Data Stream Modification
Affected: 7.17.5 through 7.17.29; 8.2.2 through 8.19.18; 9.0.0 through 9.3.7; 9.4.0 through 9.4.3
CVE-2024-23449
5.3
1%
Mar 29
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
Affected: 8.4.0 before 8.11.1
CVE-2021-22137
5.3
1%
May 13
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
Affected: before 6.8.15; 7.11.0 before 7.11.2
CVE-2021-22135
5.3
1%
May 13
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…
Affected: before 6.8.15; 7.11.0 before 7.11.2
CVE-2019-7619
5.3
2%
Oct 30
Elasticsearch versions 7.0.0-7.3.2 and 6.7.0-6.8.3 contain a username disclosure flaw was found in the API Key service
Affected: 6.7.0 through 6.8.3; 7.0.0 through 7.3.2
CVE-2026-94408
4.9
0%
Sep 26
Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service
Affected: 8.0.0 through 8.19.21; 9.0.0 through 9.4.6; 9.5.0 through 9.5.2
CVE-2026-56143
4.9
0%
Sep 1
Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service
Affected: 8.0.0 through 8.19.19; 9.0.0 through 9.2.8
CVE-2026-56149
4.9
0%
Jul 1
Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service
Affected: 9.4.0 through 9.4.2; 9.0.0 through 9.3.5; 8.0.0 through 8.19.16
CVE-2025-68390
4.9
0%
Dec 18
Elasticsearch Allocation of Resources Without Limits or Throttling
Affected: 7.0.0 through 7.17.29; 8.0.0 through 8.19.7; 9.0.0 through 9.1.7; 9.2.0 through 9.2.1
CVE-2024-37280
4.9
1%
Jun 13
A flaw was discovered in Elasticsearch, affecting document ingestion when an index template contains a dynamic field mapping of “passthrough” type
Affected: 8.13.1 before 8.14.0
CVE-2020-7021
4.9
1%
Feb 10
Elasticsearch versions before 7.10.0 and 6.8.14 have an information disclosure issue when audit logging and the emit_request_body option is enabled
Affected: before 6.8.14; 7.0.0 before 7.10.0
CVE-2021-22132
4.8
1%
Jan 14
Elasticsearch versions 7.7.0 to 7.10.1 contain an information disclosure flaw in the async search API
Affected: 7.7.0 before 7.10.2
CVE-2023-31417
4.4
0%
Oct 26
Elasticsearch generally filters out sensitive information and credentials before logging to the audit log
Affected: 7.0.0 through 7.17.12; 8.0.0 through 8.9.1
CVE-2026-102408
4.3
0%
Oct 6
Inefficient Regular Expression Complexity in Elasticsearch Leading to Denial of Service
Affected: 8.19.0 through 8.19.21; 9.1.0 through 9.3.8; 9.4.0 through 9.4.7; 9.5.0 through 9.5.4
CVE-2026-72685
4.3
0%
Aug 13
Inefficient Algorithmic Complexity in Elasticsearch Leading to Denial of Service
Affected: 8.0.0 through 8.19.19; 9.0.0 through 9.4.4
CVE-2022-23708
4.3
1%
Mar 3
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,…
Affected: 7.16.0 before 7.17.1
CVE-2021-22134
4.3
1%
Mar 8
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
Affected: 7.6.0 through 7.11.0
CVE-2020-7020
3.1
1%
Oct 22
Elasticsearch versions before 6.8.13 and 7.9.2 contain a document disclosure flaw when Document or Field Level Security is used
Affected: before 6.8.13; 7.0.0 before 7.9.2
CVE-2015-5531
–
95%
Aug 17
Directory traversal vulnerability in Elasticsearch before 1.6.1 allows remote attackers to read arbitrary files via unspecified vectors related to snapshot API calls
Affected: through 1.6.0
CVE-2015-3337
–
33%
May 1
Directory traversal vulnerability in Elasticsearch before 1.4.5 and 1.5.x before 1.5.2, when a site plugin is enabled, allows remote attackers to read arbitrary files via…
Affected: through 1.4.4; 1.5.0; 1.5.1
CVE-2014-6439
–
2%
Oct 10
Cross-site scripting (XSS) vulnerability in the CORS functionality in Elasticsearch before 1.4.0.Beta1 allows remote attackers to inject arbitrary web script or HTML via…
Affected: through 1.3.3
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