Kibana 9.4.3 Security Update (ESA-2026-54)

Unintended Proxy or Intermediary 'Confused Deputy' in Kibana Leading to Unauthorized Information Exposure Unintended Proxy or Intermediary 'Confused Deputy' CWE-441 in Kibana can lead to unauthorized information exposure via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. Under...

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...

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...

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...

Kibana 7.17.24 and 8.12.0 Security Update (ESA-2024-20)

Kibana Unrestricted Upload of File with Dangerous Type Can Lead to XSS ESA-2024-20 Unrestricted upload of a file with dangerous type in Kibana can lead to arbitrary JavaScript execution in a victim’s browser XSS via crafted HTML and JavaScript files. The attacker must have access to the Synthetic...

APM Server 8.16.1 Security Update (ESA-2024-41)

APM Server Insertion of Sensitive Information into Log File ESA-2024-41 APM server logs could contain parts of the document body from a partially failed bulk index request. Depending on the nature of the document, this could disclose sensitive information in APM Server error logs. Affected...

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...

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...

Elasticsearch 8.15.1 Security Update (ESA-2024-34)

Elasticsearch Uncontrolled Resource Consumption vulnerability ESA-2024-34 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...

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...

Kibana 7.17.23/8.15.0 Security Updates (ESA-2024-32, ESA-2024-33)

Kibana allocation of resources without limits or throttling leads to crash ESA-2024-33 An allocation of resources without limits or throttling in Kibana can lead to a crash caused by a specially crafted request to /api/metrics/snapshot. This can be carried out by users with read access to the...

Elasticsearch 7.17.21 and 8.13.3 Security Update (ESA-2024-25)

Elasticsearch allocation of resources without limits or throttling leads to crash ESA-2024-25 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. Affected...

Elastic Defend 8.13.3 Security Update (ESA-2024-24)

Elastic Defend Improper Handling of Alternate Encoding Leads to Crash ESA-2024-24 Improper handling of alternate encoding occurs when Elastic Defend on Windows systems attempts to scan a file or process encoded as a multibyte character. This leads to an uncaught exception causing Elastic Defend t...

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...

Elasticsearch 8.11.1 Security Update (ESA-2024-05)

Elasticsearch Uncaught Exception ESA-2024-05 An uncaught exception in Elasticsearch = 8.4.0 and = 8.4.0 and 8.11.1 Solutions and Mitigations: The issue is resolved in version 8.11.1. This requires the attachment processor to be enabled. Users unable to upgrade can ensure that the attachment...

Elasticsearch 8.13.0 Security Update (ESA-2024-07)

Elasticsearch Improper Authorization in the Remote Cluster Security API key based security model ESA-2024-07 It was identified by the Elastic engineering team that the API key based security model for Remote Cluster Security, which is currently in Beta, is affected by an improper authorization...

APM Server 8.12.1 Security Update (ESA-2024-03)

APM Server Insertion of Sensitive Information into Log File ESA-2024-03 An issue was discovered whereby APM Server could log at ERROR level, a response from Elasticsearch indicating that indexing the document failed and that response would contain parts of the original document. Depending on the...

Endpoint Security 8.4.1 Security Update

Elastic Endpoint Security Local Privilege Escalation issue ESA-2022-14 An issue was discovered in the rollback feature of Elastic Endpoint Security for Windows, which could allow unprivileged users to elevate their privileges to those of the LocalSystem account. Affected Versions: Version 8.4.0...

Elastic 8.3.1, 8.3.0, and 7.17.5 Security Update

Kibana cross-site-scripting XSS issue ESA-2022-08 A cross-site-scripting XSS vulnerability was discovered in the Vega Charts Kibana integration which could allow arbitrary JavaScript to be executed in a victim’s browser. Affected Versions: Versions 7.0.0 through 7.17.4 and 8.0.0 through 8.2.3...

Elastic Stack 7.17.1 Security Update

Elasticsearch privilege escalation issue ESA-2022-02 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...

Elasticsearch 5.0.0-5.6.10 and 6.0.0-6.3.2: Log4j CVE-2021-44228, CVE-2021-45046 remediation

Note — If you are not running Elasticsearch 5.0.0-5.6.10 or 6.0.0-6.3.2, these instructions do not apply. Please follow the guidance in themain announcement. Instructions for removing JndiLookup from the log4j-core JAR file​ These instructions only apply to users running Elasticsearch versions...

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...

Elasticsearch 7.13.4 Security Update

Elasticsearch memory disclosure issue ESA-2021-16 A memory disclosure vulnerability was identified in Elasticsearch’s error reporting. A user with the ability to submit arbitrary queries to Elasticsearch could submit a malformed query that would result in an error message returned containing...

Elastic Stack 7.11.0 Security Update

Elasticsearch field disclosure flaw ESA-2021-05 A document disclosure flaw was found in Elasticsearch 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...

Elastic Stack 6.8.8 and 7.6.2 security update

Elasticsearch API key privilege escalation ESA-2020-02 Elasticsearch versions from 6.7.0 to 6.8.7 and 7.0.0 to 7.6.1 contain a privilege escalation flaw if an attacker is able to create API keys. An attacker who is able to generate an API key can perform a series of steps that result in an API ke...

Elastic Stack 7.4.1 security update

Logstash Beats input denial of service flaw ESA-2019-14 A denial of service flaw was found in the Logstash beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop...

Elastic Stack 6.8.2 and 7.2.1 security update

Elasticsearch race condition flaw ESA-2019-07 A race condition flaw was found in the response headers Elasticsearch returns to a request. On a system with multiple users submitting requests, it could be possible for an attacker to gain access to response header containing sensitive data from...

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...

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

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

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...

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 9.0.6, 9.1.3 Security Update (ESA-2025-13)

Kibana privilege escalation viareportinguser role ESA-2025-13 Incorrect authorization in Kibana can lead to privilege escalation via the built-in reportinguser role which incorrectly has the ability to access all Kibana Spaces. Affected Versions: Kibana versions starting from and including 9.0.0,...

Kibana 7.17.29, 8.17.8, 8.18.3, 9.0.3 Security Update (ESA-2025-10)

Kibana Open Redirect ESA-2025-10 URL redirection to an untrusted site 'Open Redirect' in Kibana can lead to sending a user to an arbitrary site and server-side request forgery via a specially crafted URL. Affected Versions: Kibana versions up to and including 7.17.28, 8.0.0 up to and including...

Kibana 8.12.1 Security Update (ESA-2024-21)

Kibana Improper Authorization ESA-2024-21 Improper authorization in Kibana can lead to privilege abuse via a direct HTTP request to a Synthetic monitor endpoint. Affected Versions: Kibana versions before and including 8.12.0. Solutions and Mitigations: The issue is resolved in versions 8.12.1. Fo...

Kibana 8.17.6, 8.18.1, or 9.0.1 Security Update (ESA-2025-07)

Kibana arbitrary code execution via prototype pollution ESA-2025-07 A Prototype pollution vulnerability in Kibana leads to arbitrary code execution via crafted HTTP requests to machine learning and reporting endpoints. Affected Versions: 8.3.0 to 8.17.5, and 8.18.0, and 9.0.0 Affected...

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:...

Elasticsearch 7.17.24 and 8.15.1 Security Update (ESA-2024-37)

Elasticsearch Uncontrolled Resource Consumption vulnerability ESA-2024-37 An issue was discovered in Elasticsearch, where a large recursion using the Well-KnownText formatted string with nested GeometryCollection objects could cause a stackoverflow. Affected Versions: Elasticsearch versions 7.17....

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 8.15.3, 8.16.0 Security Update (ESA-2024-48)

Logstash Inefficient Regular Expression Complexity ESA-2024-48 On October 28th, 2024, Ruby announced CVE-2024-49761 in rexml which can lead to ReDoS when parsing XML that has many digits between & and x...; in a hex numeric character reference &x...;. The issue only affects users that use the...

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...

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 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...

Elasticsearch 8.8.2, 7.17.11 Security Update

Elasticsearch Denial of Service DoS issue ESA-2023-10 This issue only affects users that have at least one OpenID Connect authentication realm or at least one JWT authentication realm configured. A denial of service vulnerability was discovered in Elasticsearch that could lead to the service...

Kibana 8.7.1 Security Updates (ESA-2023-07, ESA-2023-08)

Kibana arbitrary code execution ESA-2023-07 Kibana contains an arbitrary code execution flaw. An attacker with write access to Kibana yaml or env configuration could add a specific payload that will attempt to execute JavaScript code. This could lead to the attacker executing arbitrary commands o...

Kibana 7.17.9 and 8.6.2 Security Update

Kibana open redirect issue ESA-2023-03 An open redirect issue was discovered in Kibana that could lead to a user being redirected to an arbitrary website if they use a maliciously crafted Kibana URL. Affected Versions: Kibana Versions 7.0.0 through 7.17.8 and 8.0.0 through 8.6.1 Solutions and...

Elastic Cloud Enterprise 3.4.0 Security Update

Elastic Cloud Enterprise Sensitive information disclosure issue ESA-2022-10 A flaw was discovered in ECE before 3.4.0 that might lead to the disclosure of sensitive information such as user passwords and Elasticsearch keystore settings values in logs such as the audit log or deployment logs in th...

Enterprise Search 7.16.0 Security Update

Enterprise Search Information Disclosure issue ESA-2021-28 An information disclosure via GET request server-side request forgery vulnerability was discovered with the Workplace Search Github Enterprise Server integration. Using this vulnerability, a malicious Workplace Search admin could use the...

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...