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Elastic — Vulnerabilities & Security Advisories 261

Browse all 261 CVE security advisories affecting Elastic. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Elastic operates as a search and analytics engine, primarily powering the ELK Stack for log management and data visualization. With 223 recorded Common Vulnerabilities and Exposures, the platform has historically been susceptible to critical flaws, including remote code execution, cross-site scripting, and privilege escalation vulnerabilities. These issues often stem from improper input validation and authentication bypasses within its Java-based architecture. Notable incidents involve unauthorized access to sensitive data through exposed APIs, highlighting risks associated with default configurations. The sheer volume of CVEs suggests persistent challenges in securing complex distributed systems. While the software remains a cornerstone for enterprise search, its extensive attack surface requires rigorous patching and strict access controls to mitigate the high probability of exploitation by threat actors targeting its widespread deployment infrastructure.

CVE IDTitleCVSSSeverityPublished
CVE-2026-63263 Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service — ElasticsearchCWE-400 6.5 Medium2026-07-21
CVE-2026-63262 Missing Authorization in Kibana Leading to Information Disclosure — KibanaCWE-862 4.3 Medium2026-07-21
CVE-2026-63261 Uncontrolled Resource Consumption in Kibana Leading to Denial of Service — KibanaCWE-400 6.5 Medium2026-07-21
CVE-2026-63260 Uncontrolled Resource Consumption in Kibana Leading to Denial of Service — KibanaCWE-400 6.5 Medium2026-07-21
CVE-2026-63259 Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure — KibanaCWE-639 4.3 Medium2026-07-21
CVE-2026-63145 Incorrect Authorization in Kibana Leading to Machine Learning Audit Log Integrity Compromise — KibanaCWE-863 4.3 Medium2026-07-21
CVE-2026-63144 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service — ElasticsearchCWE-674 6.5 Medium2026-07-21
CVE-2026-63143 Missing Authorization in Kibana Leading to Unauthorized Information Disclosure — KibanaCWE-862 4.3 Medium2026-07-21
CVE-2026-63142 Incomplete List of Disallowed Inputs in Kibana Leading to Server-Side Request Forgery — KibanaCWE-863 5.0 Medium2026-07-21
CVE-2026-63141 Missing Authorization in Kibana Leading to Unauthorized Access to Cloud Connect Management Functions — KibanaCWE-862 6.3 Medium2026-07-21
CVE-2026-63140 Reachable Assertion in Elasticsearch Leading to Denial of Service — ElasticsearchCWE-617 6.5 Medium2026-07-21
CVE-2026-63139 Uncontrolled Resource Consumption in Kibana Leading to Denial of Service — KibanaCWE-400 6.5 Medium2026-07-21
CVE-2026-63136 Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service — ElasticsearchCWE-400 6.5 Medium2026-07-21
CVE-2026-56147 Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Information Disclosure and Case Attachment Integrity Compromise — KibanaCWE-639 7.1 High2026-07-21
CVE-2026-56146 Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure — KibanaCWE-863 5.4 Medium2026-07-21
CVE-2026-56145 Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service — ElasticsearchCWE-400 6.5 Medium2026-07-21
CVE-2026-56144 Incorrect Authorization in Elasticsearch Leading to Information Disclosure — ElasticsearchCWE-863 5.3 Medium2026-07-21
CVE-2026-42397 Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service — KibanaCWE-770 6.5 Medium2026-07-21
CVE-2026-49092 Unintended Proxy or Intermediary ('Confused Deputy') in Kibana Leading to Unauthorized Information Exposure — KibanaCWE-863 4.3 Medium2026-07-21
CVE-2026-49091 Improper Output Neutralization for Logs in Kibana Leading to Log Injection — KibanaCWE-116 8.0 High2026-07-01
CVE-2026-49090 Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service — ElasticsearchCWE-400 6.5 Medium2026-07-01
CVE-2026-49088 Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure — KibanaCWE-532 4.4 Medium2026-07-01
CVE-2026-49087 Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service — KibanaCWE-770 6.5 Medium2026-07-01
CVE-2026-56152 Incorrect Authorization in Elastic Defend Leading to Information Disclosure — Elastic DefendCWE-863 5.3 Medium2026-07-01
CVE-2026-56151 Improper Input Validation in Kibana Leading to Denial of Service — KibanaCWE-20 6.5 Medium2026-07-01
CVE-2026-56150 Allocation of Resources Without Limits or Throttling in Fleet Server Leading to Denial of Service — Fleet ServerCWE-770 6.5 Medium2026-07-01
CVE-2026-56149 Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service — ElasticsearchCWE-770 4.9 Medium2026-07-01
CVE-2026-56148 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service — ElasticsearchCWE-674 6.5 Medium2026-07-01
CVE-2026-49093 Server-Side Request Forgery (SSRF) in Kibana Leading to Unauthorized Network Access — KibanaCWE-918 6.3 Medium2026-05-28
CVE-2026-49094 Uncontrolled Resource Consumption in Kibana Leading to Denial of Service — KibanaCWE-400 6.5 Medium2026-05-28

This page lists every published CVE security advisory associated with Elastic. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.