Packetbeat 8.19.9, 9.1.9, and 9.2.3 Security Update (ESA-2025-31)

Packetbeat Out-of-bounds Read ESA-2025-31 Out-of-bounds read CWE-125 allows an unauthenticated remote attacker to perform a buffer overflow CAPEC-100 via the NFS protocol dissector, leading to a denial-of-service DoS through a reliable process crash when handling truncated XDR-encoded RPC message...

Elastic Agent 8.15.0 Security Update (ESA-2024-23)

Elastic Agent Insertion of Sensitive Information into Log File ESA-2024-23 An issue was discovered whereby Elastic Agent will leak secrets from the agent policy elastic-agent.yml only when the log level is configured to debug. By default the log level is set to info, where no leak occurs. Affecte...

Kibana 8.14.0/7.17.22 Security Update (ESA-2024-11)

Kibana uncontrolled resource consumption ESA-2024-11 A high-privileged user, allowed to create custom osquery packs could affect the availability of Kibana by uploading a maliciously crafted osquery pack. Affected Versions: Kibana versions after 7.13.0 and before 7.17.22 and versions after 8.0.0...

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 6.8.4 security update

Elasticsearch username disclosure flaw ESA-2019-13 A username disclosure flaw was found in Elasticsearch’s API Key service. An unauthenticated attacker could send a specially crafted request and determine if a username exists in the Elasticsearch native realm. Affected Versions The following...

8.19.16, 9.3.5 Security Update (ESA-2026-33)

Operation on a Resource after Expiration or Termination in Kibana Leading to Unauthorized File Access Operation on a Resource after Expiration or Termination CWE-672 in Kibana can lead to unauthorized information disclosure. A logic error in how expiration timestamps were validated allowed a...

Elastic OTel Java 1.10.0 Security Update (ESA-2026-22 / GHSA-xw7x-h9fj-p2c7)

Dependency on Vulnerable Third-Party Component in Elastic OTel Java Leading to Remote Code Execution Dependency on Vulnerable Third-Party Component CWE-1395 exists in Elastic OTel Java via a dependency on OpenTelemetry Java instrumentation library. This vulnerability could allow an attacker to...

Packetbeat 8.19.11, 9.2.5 Security Update (ESA-2026-10)

Improper Validation of Array Index in Packetbeat Leading to Denial of Service Improper Validation of Array Index CWE-129 in the PostgreSQL protocol parser in Packetbeat can lead Denial of Service via Input Data Manipulation CAPEC-153. An attacker can send a specially crafted packet causing a Go...

Kibana 8.19.10, 9.1.10, 9.2.4 Security Update (ESA-2026-08)

Improper Input Validation in Kibana Email Connector Leading to Excessive Allocation ESA-2026-08 Improper Input Validation CWE-20 in Kibana's Email Connector can allow an attacker to cause an Excessive Allocation CAPEC-130 through a specially crafted email address parameter. This requires an...

Kibana 8.19.10, 9.1.10, 9.2.4 Security Update (ESA-2026-03)

Allocation of Resources Without Limits or Throttling in Kibana Leading to Excessive Allocation ESA-2026-03 Allocation of Resources Without Limits or Throttling CWE-770 in Kibana Fleet can lead to Excessive Allocation CAPEC-130 via a specially crafted request. This causes the application to perfor...

Kibana 8.19.9, 9.1.9, and 9.2.3 Security Update (ESA-2025-35)

Kibana Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' ESA-2025-35 Improper neutralization of input during web page generation 'Cross-site Scripting' CWE-79 allows an unauthenticated user to embed a malicious script in content that will be served to web browsers...

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...

Packetbeat 8.19.9, 9.1.9, and 9.2.3 Security Update (ESA-2025-30)

Packetbeat Improper Bounds Check ESA-2025-30 Improper Bounds Check CWE-787 in Packetbeat can allow a remote unauthenticated attacker to exploit a Buffer Overflow CAPEC-100 and reliably crash the application or cause significant resource exhaustion via a single crafted UDP packet with an invalid...

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...

Beats (Windows Installer) 8.18.6, 8.19.3, 9.0.6, & 9.1.0 Security Update (ESA-2025-12)

Beats Uncontrolled Search Path Element can lead to Local Privilege Escalation LPE when using the Windows Installer ESA-2025-12 An uncontrolled search path element vulnerability can lead to local privilege Escalation LPE via Insecure Directory Permissions. The vulnerability arises from improper...

Kibana 7.17.19 and 8.13.0 Security Update (ESA-2024-47)

Kibana Unrestricted Upload of File ESA-2024-47 Unrestricted file upload in Kibana allows an authenticated attacker to compromise software integrity by uploading a crafted malicious file due to insufficient server-side validation. Affected Versions: 7.17.0 to 7.17.18 and 8.0.0 to 8.12.3 Solutions...

Kibana 8.16.4 and 8.17.2 Security Update (ESA-2025-02)

Kibana Prototype Pollution can lead to code injection ESA-2025-02 Prototype Pollution in Kibana can lead to code injection via unrestricted file upload combined with path traversal. Affected Versions: Kibana versions 8.16.1 up to and including 8.16.3, and 8.17.0 up to and including 8.17.1 Solutio...

Kibana 8.15.1 Security Update (ESA-2024-27, ESA-2024-28)

Kibana arbitrary code execution via YAML deserialization in Amazon Bedrock Connector ESA-2024-27 A deserialization issue in Kibana can lead to arbitrary code execution when Kibana attempts to parse a YAML document containing a crafted payload. This issue only affects users that use Elastic...

Kibana 7.17.23/8.14.0 Security Update (ESA-2024-16)

Kibana Denial of Service issue ESA-2024-16 An issue was discovered in Kibana where a user with Viewer role could cause a Kibana instance to crash by sending a large number of maliciously crafted requests to a specific endpoint. Affected Versions: Kibana 8.x versions prior to 8.14.0 and Kibana 7.x...

Elastic APM .NET Agent 1.10.0 Security Update

Elastic APM .NET Agent information disclosure ESA-2021-14 The Elastic APM .NET Agent can leak sensitive HTTP header information when logging the details during an application error. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM serve...

Enterprise Search 7.7.0 security update

Elastic App Search Cross Site Scripting flaw ESA-2020-04 Elastic App Search versions before 7.7.0 contain a cross site scripting XSS flaw when displaying document URLs in the Reference UI. If the Reference UI injects a URL into a result, that URL will be rendered by the web browser. If an attacke...

Elastic Cloud on Kubernetes 1.1.0 security update

Elastic Cloud on Kubernetes insecure password generation ESA-2020-03 Elastic Cloud on Kubernetes ECK versions prior to 1.1.0 generate passwords using a weak random number generator. If an attacker is able to determine when the current Elastic Stack cluster was deployed they may be able to more...

Elastic Stack 6.3.0 and 5.6.10 Security Update

Elasticsearch Information Exposure Vulnerability ESA-2018-10 In Elasticsearch versions 6.0.0-beta1 to 6.2.4 a disclosure flaw was found in the snapshot API. When the accesskey and securitykey parameters are set using the snapshot API they can be exposed as plain text by users able to query the...

Elasticsearch 8.19.19, 9.3.8, 9.4.4 Security Update (ESA-2026-74)

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...

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...

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...

Kibana 8.18.8, 8.19.5, 9.0.8, and 9.1.5 Security Update (ESA-2025-20)

Kibana Cross-Site Scripting XSS ESA-2025-20 Improper Neutralization of Input During Web Page Generation in Kibana can lead to Stored XSS via case file upload. Affected Versions: 7.x: All versions prior to and including 7.17.29 8.x: All versions from 8.0.0 up to and including 8.18.7 8.19.x: All...

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 7.17.29, 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...

Logstash 8.17.6, 8.18.1, and 9.0.1 Security Update (ESA-2025-08)

Logstash Improper Certificate Validation in TCP output ESA-2025-08 Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle MitM attack in “client” mode, as hostname verification in TCP output was not being performed when the sslverificationmode = full was set...

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 7.17.25 and 8.15.4 Security Update (ESA-2024-39)

Elastic Agent Inclusion of Functionality from Untrusted Control Sphere ESA-2024-39 Inclusion of functionality from an untrusted control sphere in Elastic Agent subprocess, osqueryd, allows local attackers to execute arbitrary code via parameter injection. An attacker requires local access and the...

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...

Elastic Defend 8.17.3 Security Update (ESA-2025-05)

Elastic Defend Insertion of Sensitive Information into Log Files ESA-2025-05 Improper restriction of environment variables in Elastic Defend can lead to exposure of sensitive information such as API keys and tokens via automatic transmission of unfiltered environment variables to the stack. This...

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...

Fleet Server 8.15.0 Security Update ( ESA-2024-31)

Fleet Server sensitive information exposure via logs ESA-2024-31 An issue was identified in Fleet Server where Fleet policies that could contain sensitive information were logged on INFO and ERROR log levels. The nature of the sensitive information largely depends on the integrations enabled...

Kibana 8.15.0 Security Update (ESA-2024-29, ESA-2024-30)

Kibana server-side request forgery ESA-2024-29 A server side request forgery vulnerability was identified in Kibana where the /api/fleet/healthcheck API could be used to send requests to internal endpoints. Due to the nature of the underlying request, only endpoints available over https that retu...

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...

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...

Elastic Cloud Enterprise 3.7.2 Security Update (ESA-2024-18)

ECE Improper Authorization ESA-2024-18 It was identified that under certain specific preconditions, an API key that was originally created with a specific privileges could be subsequently used to create new API keys that have elevated privileges. Affected Versions: ECE versions after 3.0.0 and...

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...

Kibana 8.11.1 Security Update (ESA-2023-25)

Kibana Insertion of Sensitive Information into Log File ESA-2023-25 An issue was discovered by Elastic whereby sensitive information may be recorded in Kibana logs in the event of an error. Elastic has released Kibana 8.11.1 which resolves this issue. The error message recorded in the log may...

Elasticsearch 8.9.2 and 7.17.13 Security Update

Elasticsearch Insertion of sensitive information in audit logs ESA-2023-12 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 API...

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...

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...

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...