CyberSecBulletin

Elastic vulnerabilities

We track 86 vulnerabilities in Elastic products across 23 products. 86 are rated high or critical, and 3 have been exploited in real attacks. The most recent was published on November 3, 2026.

86vulnerabilities
9critical
77high
3exploited
7.9average CVSS score

Latest Elastic vulnerabilities

  • 7.7 High severity

    Kibana: Execution with Unnecessary Privileges

    CVE-2026-4498Elastic

    Execution with Unnecessary Privileges (CWE-250) in Kibana’s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122). This requires an authenticated Kibana user with Fleet sub-fe

  • 7.7 High severity

    Kibana: Improper Neutralization of Special Elements Used in a Template Engine

    CVE-2026-26938Elastic

    Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) exists in Workflows in Kibana which could allow an attacker to read arbitrary files from the Kibana server filesystem, and perform Server-Side Request Forgery (SSRF) via Code Inje

  • 7.5 High severity

    Kibana: Inefficient Regular Expression Complexity

    CVE-2026-26936Elastic

    Inefficient Regular Expression Complexity (CWE-1333) in the AI Inference Anonymization Engine in Kibana can lead Denial of Service via Regular Expression Exponential Blowup (CAPEC-492).

  • 7.5 High severity

    Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in…

    CVE-2026-26935Elastic

    Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)

  • 7.5 High severity

    Packetbeat: Improper Validation of Array Index

    CVE-2026-26932Elastic

    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 runtime panic that terminates the Pack

  • 8.6 High severity

    Kibana: Server-Side Request Forgery

    CVE-2026-0532Elastic

    External Control of File Name or Path (CWE-73) combined with Server-Side Request Forgery (CWE-918) can allow an attacker to cause arbitrary file disclosure through a specially crafted credentials JSON payload in the Google Gemini connector configuration. This

  • 7.5 High severity

    Metricbeat: Improper Validation of Array Index

    CVE-2026-0528Elastic

    Improper Validation of Array Index (CWE-129) exists in Metricbeat can allow an attacker to cause a Denial of Service through Input Data Manipulation (CAPEC-153) via specially crafted, malformed payloads sent to the Graphite server metricset or Zookeeper server

  • 7.4 High severity

    Elasticsearch: Improper Authentication

    CVE-2025-37731Elastic

    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.

  • 8.8 High severity

    Elastic Cloud Enterprise (ECE): Incorrect Authorization

    CVE-2025-37736Elastic

    Improper Authorization in Elastic Cloud Enterprise can lead to Privilege Escalation where the built-in readonly user can call APIs that should not be allowed. The list of APIs that are affected by this issue is: post:/platform/configuration/security/service-ac

  • 7.0 High severity

    Kibana: Improper Preservation of Permissions

    CVE-2025-37735Elastic

    Improper preservation of permissions in Elastic Defend on Windows hosts can lead to arbitrary files on the system being deleted by the Defend service running as SYSTEM. In some cases, this could result in local privilege escalation.

  • 7.2 High severity

    Elastic Cloud Enterprise (ECE): Improper Neutralization of Special Elements Used in a Template Engine

    CVE-2025-37729Elastic

    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 and issuing commands via a specially crafted string where Jinjava variabl

  • 7.0 High severity

    Beats: Uncontrolled Search Path Element

    CVE-2025-25011Elastic

    An uncontrolled search path element vulnerability can lead to local privilege Escalation (LPE) via Insecure Directory Permissions. The vulnerability arises from improper handling of directory permissions. An attacker with local access may exploit this flaw to

  • 7.0 High severity

    APM Server: Uncontrolled Search Path Element

    CVE-2025-0712Elastic

    An uncontrolled search path element vulnerability can lead to local privilege Escalation (LPE) via Insecure Directory Permissions. The vulnerability arises from improper handling of directory permissions. An attacker with local access may exploit this flaw to

  • 9.8 Critical severity

    Kibana: Improperly Controlled Modification of Object Prototype Attributes

    CVE-2025-25014ElasticEPSS 22.3%

    A Prototype pollution vulnerability in Kibana leads to arbitrary code execution via crafted HTTP requests to machine learning and reporting endpoints.

  • 7.5 High severity

    Elasticsearch: Uncontrolled Resource Consumption

    CVE-2024-52979Elastic

    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.

  • 7.8 High severity

    Elastic Agent: Inclusion of Functionality from Untrusted Control Sphere

    CVE-2024-52976Elastic

    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 ability to modify osqueryd configurations.

  • 7.1 High severity

    Elastic Agent and Elastic Defend: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2023-46669Elastic

    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 identified by Elastic engineers and Elastic has

  • 7.5 High severity

    Elasticsearch: Uncontrolled Resource Consumption

    CVE-2024-52981Elastic

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

  • 9.9 Critical severity

    Kibana: Improperly Controlled Modification of Object Prototype Attributes

    CVE-2025-25015ElasticEPSS 1.31%

    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 < 8.17.1, this is exploitable by users with the Viewer role. In Kibana versions 8.17.1 and 8.17.2

  • 9.0 Critical severity

    Fleet Server: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2024-52975Elastic

    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.

  • 7.5 High severity

    Elasticsearch: Allocation of Resources Without Limits or Throttling

    CVE-2024-43709Elastic

    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.

  • 7.2 High severity

    Kibana: Deserialization of Untrusted Data

    CVE-2024-37285ElasticEPSS 1.25%

    A deserialization issue in Kibana can lead to arbitrary code execution when Kibana attempts to parse a YAML document containing a crafted payload. A successful attack requires a malicious user to have a combination of both specific Elasticsearch indices privil

  • 8.8 High severity

    Kibana: Deserialization of Untrusted Data

    CVE-2024-37288ElasticEPSS 1.04%

    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 Security’s built-in AI tools https://www.elastic.co/guide/en/secur

  • 7.2 High severity

    Kibana: Improperly Controlled Modification of Object Prototype Attributes

    CVE-2024-37287ElasticEPSS 1.65%

    A flaw allowing arbitrary code execution was discovered in Kibana. An attacker with access to ML and Alerting connector features, as well as write access to internal ML indices can trigger a prototype pollution vulnerability, ultimately leading to arbitrary co

  • 7.5 High severity

    Elasticsearch: Missing Encryption of Sensitive Data

    CVE-2024-23444Elastic

    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

  • 9.8 Critical severity

    Elastic Cloud Enterprise: Improper Authorization

    CVE-2024-37282Elastic

    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.

  • 7.5 High severity

    Elasticsearch: Uncontrolled Resource Consumption

    CVE-2024-23450ElasticEPSS 1.25%

    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.

  • 7.5 High severity

    APM Server: Insertion of Sensitive Information into Log File

    CVE-2024-23448Elastic

    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 nature of the document that the APM

  • 7.8 High severity

    Elasticsearch-Hadoop: Deserialization of Untrusted Data

    CVE-2023-46674Elastic

    An issue was identified that allowed the unsafe deserialization of java objects from hadoop or spark configuration properties that could have been modified by authenticated users. Elastic would like to thank Yakov Shafranovich, with Amazon Web Services for rep

  • 7.5 High severity

    Elasticsearch: Improper Handling of Exceptional Conditions

    CVE-2023-46673Elastic

    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.

  • 7.5 High severity

    Elasticsearch: Out-of-bounds Write

    CVE-2023-31419ElasticEPSS 61.1%

    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.

  • 7.5 High severity

    Elasticsearch: Uncontrolled Resource Consumption

    CVE-2023-31418ElasticEPSS 2.05%

    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

  • 7.5 High severity

    Beats: Improper Certificate Validation

    CVE-2023-31421Elastic

    It was discovered that when acting as TLS clients, Beats, Elastic Agent, APM Server, and Fleet Server did not verify whether the server certificate is valid for the target IP address; however, certificate signature validation is still performed. More specifica

  • 7.5 High severity

    Kibana: Insertion of Sensitive Information into Log File

    CVE-2023-31422Elastic

    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 configured to log the %meta pattern

  • 8.1 High severity

    Fleet Server: Insertion of Sensitive Information into Log File

    CVE-2023-46667Elastic

    An issue was discovered in Fleet Server >= v8.10.0 and < v8.10.3 where Agent enrolment tokens are being inserted into the Fleet Server’s log file in plain text. These enrolment tokens could allow someone to enrol an agent into an agent policy, and potentially

  • 9.1 Critical severity

    Endpoint: Insertion of Sensitive Information into Log File

    CVE-2023-46668Elastic

    If Elastic Endpoint (v7.9.0 - v8.10.3) is configured to use a non-default option in which the logging level is explicitly set to debug, and when Elastic Agent is simultaneously configured to collect and send those logs to Elasticsearch, then Elastic Agent API

  • 8.8 High severity

    Kibana: Improper Control of Generation of Code

    CVE-2023-31415Elastic

    Kibana version 8.7.0 contains an arbitrary code execution flaw. An attacker with All privileges to the Uptime/Synthetics feature could send a request that will attempt to execute JavaScript code. This could lead to the attacker executing arbitrary commands on

  • 8.8 High severity

    Kibana: Improper Control of Generation of Code

    CVE-2023-31414Elastic

    Kibana versions 8.0.0 through 8.7.0 contain 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

  • 7.8 High severity

    Elastic Endpoint Security: Improper Privilege Management

    CVE-2022-38777Elastic

    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.

  • 7.8 High severity

    Elastic Endpoint Security: Improper Privilege Management

    CVE-2022-38775Elastic

    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.