Kibana 8.19.15, 9.3.4 Security Update (ESA-2026-49)

Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to a denial of service via Excessive Allocation CAPEC-130. An authenticated user can submit a specially crafted bulk deletion...

Kibana 8.19.13, 9.2.7, 9.3.2 Security Update (ESA-2026-46)

Incorrect Authorization in Kibana Leading to Information Disclosure Incorrect Authorization CWE-863 in Kibana can lead to unauthorized information disclosure via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. Under certain conditions, a low-privileged authenticated user can...

Packetbeat 8.19.11, 9.2.5 Security Update (ESA-2026-11)

Improper Validation of Array Index in Packetbeat Leading to Denial of Service Improper Validation of Array Index CWE-129 in multiple protocol parser components in Packetbeat can lead Denial of Service via Input Data Manipulation CAPEC-153. An attacker with the ability to send specially crafted,...

Logstash 8.19.10, 9.1.10, 9.2.4 Security Update (ESA-2026-06)

Sensitive Information in Resource Not Removed Before Reuse in Logstash Leading to Access to Sensitive Information Dependency on Vulnerable Third-Party Component CWE-1395 exists in org.lz4:lz4-java decompression library used by logstash-integration-kafka plugin in Logstash that could allow an...

APM Server (Windows Installer) 8.16.3, 8.17.1 Security Update (ESA-2025-01)

APM Server Uncontrolled Search Path Element can lead to Local Privilege Escalation LPE when using the Windows Installer ESA-2025-01 An uncontrolled search path element vulnerability can lead to local privilege Escalation LPE via Insecure Directory Permissions. The vulnerability arises from improp...

Kibana 7.17.23 and 8.15.1 Security Update (ESA-2024-36)

Kibana Uncontrolled Resource Consumption vulnerability ESA-2024-36 An issue has been identified where a specially crafted request sent to an Observability API could cause the kibana server to crash. A successful attack requires a malicious user to have read permissions for Observability assigned ...

Logstash 8.15.1 Security Update (ESA-2024-35)

Logstash Uncontrolled Resource Consumption vulnerability ESA-2024-35 On August 19, 2024, Floraison announced CVE-2024-43380, which affects fugit "natural" parser. The parser turns natural language into a cron date and was found to accept any length of input, causing an uncontrolled resource...

Kibana 8.17.3 / 8.16.6 Security Update (ESA-2025-06)

Kibana arbitrary code execution via prototype pollution ESA-2025-06 Prototype pollution in Kibana leads to arbitrary code execution via a crafted file upload and specifically crafted HTTP requests. In Kibana versions = 8.15.0 and = 8.15.0 and = 8.17.0 and 8.17.3 Solutions and Mitigations: Users...

Elasticsearch 8.14.0 Security Update (ESA-2024-14)

Elasticsearch StackOverflow vulnerability ESA-2024-14 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...

Kibana 8.14.0 Security Update (ESA-2024-15)

Kibana Broken Access Control issue ESA-2024-15 A flaw was discovered in Kibana, allowing view-only users of alerting to use the runsoon API making the alerting rule run continuously, potentially affecting the system availability if the alerting rule is running complex queries. Affected Versions:...

Elastic Cloud Enterprise 3.1.1 Security Update

Elastic Cloud Enterprise Sensitive information disclosure issue ESA-2022-11 A flaw was discovered in ECE before 3.1.1 that could lead to the disclosure of the SAML signing private key used for the RBAC features, in deployment logs in the Logging and Monitoring cluster. Affected Versions: Elastic...

APM Java Agent Security Update

APM Java Agent Local Privilege Escalation issue ESA-2021-29 A local privilege escalation issue was found with the APM Java agent, where a user on the system could attach a malicious file to an application running with the APM Java agent. Using this vector, a malicious or compromised user account...

Elastic Cloud Enterprise security update

Elastic Cloud Enterprise security update ESA-2021-17 Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. While in the default setting the anonymous user has no permissions and is unable to successfully query any Elasticsearch APIs, an attacker...

Elasticsearch 7.13.3 and 6.8.17 Security Update

Elasticsearch Denial of Service issue ESA-2021-15 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 wi...

Elastic Stack 6.4.3 and 5.6.13 security update

Elasticsearch information disclosure ESA-2018-16 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. A request may receive headers intended for another request if the same...

Elasticsearch Engineered Attack Vulnerability CVE-2015-4165

Summary: Elasticsearch versions 1.0.0 - 1.5.2 are vulnerable to an engineered attack on other applications on the system. The snapshot API may be used indirectly to place snapshot metadata files into locations that are writeable by the user running the Elasticsearch process. It is possible to...

Kibana 8.19.19, 9.3.8, 9.4.4 Security Update (ESA-2026-156)

Incorrect Authorization in Kibana Leading to Unauthorized Cross-Space Exposure of Machine Learning Job Data Incorrect Authorization CWE-863 in the Kibana machine learning feature can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels CAPEC-180. An...

Kibana 9.4.5, 9.5.1 Security Update (ESA-2026-128)

Improper Privilege Management in Kibana Fleet Leading to Over-Scoped Elastic Agent API Keys Description: Improper Privilege Management CWE-269 in Kibana Fleet can lead to privilege escalation via Privilege Escalation CAPEC-233. An integration policy may optionally declare extra data streams that...

Kibana 9.4.5 Security Update (ESA-2026-82)

Authorization Bypass Through User-Controlled Key in Kibana Agent Builder Leading to Unauthorized Data Modification Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the ownership check on that identifier does not...

Elastic Package Registry 1.38.0 Security Update (ESA-2026-27)

Improper Verification of Cryptographic Signature in Elastic Package Registry Leading to Package Integrity Bypass Improper Verification of Cryptographic Signature CWE-347 in Elastic Package Registry could allow an attacker positioned to intercept network traffic, or to otherwise influence the...

Metricbeat 8.19.13, 9.2.5 Security Update (ESA-2026-09)

Memory Allocation with Excessive Size Value in Metricbeat Leading to Denial of Service Memory Allocation with Excessive Size Value CWE-789 in the Prometheus remotewrite HTTP handler in Metricbeat can lead Denial of Service via Excessive Allocation CAPEC-130. Affected Versions: 8.x: All versions...

Kibana 8.19.9, 9.1.9, and 9.2.3 Security Update (ESA-2025-36)

Kibana Allocation of Resources Without Limits or Throttling ESA-2025-36 Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can allow a low-privileged authenticated user to cause Excessive Allocation CAPEC-130 of computing resources and a denial of service DoS of the Kibana...

Kibana 8.19.9, 9.1.9, and 9.2.3 Security Update (ESA-2025-34)

Kibana Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' ESA-2025-34 Improper neutralization of input during web page generation 'Cross-site Scripting' CWE-79 allows an authenticated user to embed a malicious script in content that will be served to web browsers...

Kibana 8.19.7, 9.1.7, and 9.2.1 Security Update (ESA-2025-24)

Kibana Origin Validation Error ESA-2025-24 Origin Validation Error in Kibana can lead to Server-Side Request Forgery via a forged Origin HTTP header processed by the Observability AI Assistant. Affected Versions: 8.12.0 up to and including 8.19.6 9.1.0 up to and including 9.1.6 9.2.0 Affected...

Elastic Cloud Enterprise (ECE) 3.8.2 and 4.0.2 Security Update (ESA-2025-21)

Elastic Cloud Enterprise ECE Improper Neutralization of Special Elements Used in a Template Engine ESA-2025-21 Improper neutralization of special elements used in a template engine in Elastic Cloud Enterprise ECE can lead to a malicious actor with Admin access exfiltrating sensitive information a...

Elastic Response to Blog ‘EDR 0-Day Vulnerability’

Updated: August 29, 2025 Elastic has been directly engaging with the independent researcher. After evaluating additional information provided by the researcher, our original assessment still stands. To confirm we are responsibly assessing this report and providing an unbiased perspective, we are...

Elasticsearch 7.17.25 and 8.16.0 Security Update (ESA-2024-40)

Elasticsearch Uncontrolled Resource Consumption vulnerabilityESA-2024-40 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. Affected Versions:...

Elastic Agent / Elastic Endpoint Security Security Update (ESA-2025-03)

Elastic Agent / Elastic Endpoint Security local API key disclosure ESA-2025-03 Exposure of sensitive information to local unauthorized actors in Elastic Agent and Elastic Security Endpoint can lead to loss of confidentiality and impersonation of Endpoint to the Elastic Stack. This issue was...

Elasticsearch 8.16.2 / 8.17.0 Security Update

Elasticsearch Incorrect Authorization ESA-2024-46 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...

APM Server 8.14.0 Security Update (ESA-2024-09)

APM Server - Uncontrolled Resource Consumption through HTTP/2 endpoints - CVE-2023-45288 ESA-2024-09 On April 4, 2024, the Go Project announced CVE-2023-45288, which can lead to CPU exhaustion as an attacker can cause an HTTP/2 endpoint to read arbitrary amounts of header data. In an on-prem...

Elasticsearch 8.14.0 Security Update (ESA-2024-13)

Elasticsearch Remote Cluster Search Cross Cluster API Key insufficient restrictions ESA-2024-13 It was identified that if a cross-cluster API key restricts search for a given index using the query or the fieldsecurity parameter, and the same cross-cluster API key also grants replication for the...

Fleet Server v8.10.3 Security Update

Fleet Server Insertion of Sensitive Information into Log File ESA-2023-20 An issue was discovered in Fleet Server = v8.10.0 and = v8.10.0 and v8.10.3 Solutions and Mitigations: If an affected version is being utilized then upgrade to Fleet Server v8.10.3 or above. If there are ephemeral container...

Kibana 8.10.1 Security Update

Kibana Insertion of Sensitive Information into Log File ESA-2023-17 An issue was discovered by Elastic whereby sensitive information is recorded in Kibana logs in the event of an error. The issue impacts only Kibana version 8.10.0 when logging in the JSON layout or when the pattern layout is...

Kibana 7.15.2 Security Update

Kibana Path Traversal issue ESA-2021-26 It was discovered that on Windows operating systems specifically, Kibana was not validating a user supplied path, which would load .pbf files. Because of this, a malicious user could arbitrarily traverse the Kibana host to load internal files ending in the...

Elastic Stack 7.13.0 and 6.8.16 Security Update

Kibana url redirection flaw ESA-2021-12 An open redirect flaw was found in Kibana versions before 7.13.0 and 6.8.16. If a logged in user visits a maliciously crafted URL, it could result in Kibana redirecting the user to an arbitrary website. Affected Versions: All versions of Kibana before 7.13....

7.12.1 Security Update

Kibana denial of service issue ESA-2021-10 A denial of service vulnerability was found in the Kibana webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailab...

Elastic Stack 7.12.0 and 6.8.15 Security Update

Elasticsearch Suggester & Profile API information disclosure flaw ESA-2021-06 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 leve...

Elastic Stack 6.8.9 and 7.7.0 security update

Kibana upgrade assistant prototype pollution flaw ESA-2020-05 Kibana versions between 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2 contain a prototype pollution flaw in the Upgrade Assistant. An authenticated attacker with privileges to write to the Kibana index could insert data that would cause Kibana to...

Elastic Stack 7.4.0 security update

Elastic Code local file disclosure flaw ESA-2019-12 A local file disclosure flaw was found in Elastic Code. If a malicious code repository is imported into Code it is possible to read arbitrary files from the local filesystem of the Kibana instance running Code with the permission of the Kibana...

Elastic Stack 6.2.3 security update

X-Pack Security SAML vulnerability ESA-2018-07 X-Pack Security versions 6.2.0, 6.2.1, and 6.2.2 are vulnerable to a user impersonation attack via incorrect XML canonicalization and DOM traversal. An attacker might have been able to impersonate a legitimate user if the SAML Identity Provider allow...

Elastic Stack 5.4.1 and 5.3.3 Security updates

X-Pack 5.4.1 privilege escalation ESA-2017-06 X-Pack 5.4.1 has been released which fixes a privilege escalation bug in the runas functionality. This bug prevents transitioning into the specified user specified in a runas request. If a role has been created using a template that contains the user...

Kibana 8.19.22, 9.4.7, 9.5.3 Security Update (ESA-2026-181)

Uncontrolled Resource Consumption in Kibana Leading to denial of service Uncontrolled Resource Consumption CWE-400 in Kibana can lead denial of service via Excessive Allocation CAPEC-130 Affected Versions: 8.x: All versions from 8.0.0 up to and including 8.19.21 9.x: All versions from 9.0.0 up to...

Elasticsearch 8.19.22, 9.4.7, 9.5.4 Security Update (ESA-2026-180)

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 Affected Versions: 8.x: All versions from 8.0.0 up to and including 8.19.21 9.x: All versions fr...

Kibana 9.3.8, 9.4.4 Security Update (ESA-2026-91)

Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service Description: Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to a denial of service via Excessive Allocation CAPEC-130. A user-supplied list of document fields accepted by t...

Kibana 8.19.17, 9.3.6, 9.4.3 Security Update (ESA-2026-94)

Relative Path Traversal in Kibana Fleet Leading to Unauthorized Deletion of Users and Other Resources Description: Relative Path Traversal CWE-23 in Kibana can lead to the unauthorized deletion of Kibana resources via Relative Path Traversal CAPEC-139. Kibana Fleet accepted a user-supplied...

Kibana 9.3.8, 9.4.4 Security Update (ESA-2026-65)

Missing Authorization in Kibana Leading to Unauthorized Access to Cloud Connect Management Functions Missing Authorization CWE-862 in Kibana allows an authenticated user to access and modify Cloud Connect configuration and service settings without the required feature privileges, via direct...

Elasticsearch 8.19.8, 9.1.8 Security Update (ESA-2026-18)

Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution Dependency on Vulnerable Third-Party Component CWE-1395 exists in PyTorch used by the machine learning model loading component in Elasticsearch that can allow an attacker to achieve remote code execution via Objec...

Elastic Network Drive Connector 8.12.1 Security Update (ESA-2024-02)

Elastic Network Drive Connector Improper Access Control ESA-2024-02 An issue was discovered in the Windows Network Drive Connector when using Document Level Security to assign permissions to a file, with explicit allow write and deny read. Although the document is not accessible to the user in...

Beats and Elastic Agent 8.11.3 / 7.17.16 Security Update (ESA-2023-30)

Beats and Elastic Agent Insertion of Sensitive Information into Log File An issue was discovered by Elastic whereby Beats and Elastic Agent would log a raw event in its own logs at the WARN or ERROR level if ingesting that event to Elasticsearch failed with any 4xx HTTP status code except 409 or...

Elasticsearch 8.11.2, 7.17.16 Security Update (ESA-2023-29)

Elasticsearch Insertion of Sensitive Information into Log File ESA-2023-29 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...