Kibana 9.4.5, 9.5.1 Security Update (ESA-2026-124)

Incorrect Authorization in Kibana Agent Builder Leading to Disclosure and Tampering of Private Agents Kibana Agent Builder determines whether a caller owns a private agent by comparing a stable user identifier when one is recorded, and falling back to a comparison of the username when it is not. ...

Kibana 9.4.5 Security Update (ESA-2026-97)

Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Query Execution on Managed Hosts Authorization Bypass Through User-Controlled Key CWE-639 in Kibana can lead to unauthorized query execution against Elastic Agents that are assigned to a Kibana space the requesting...

Kibana 9.4.5 Security Update (ESA-2026-89)

Incorrect Authorization in Kibana Leading to Disclosure of Elastic Defend Endpoint Event Data The Elastic Security capability that suggests existing field values while a user authors endpoint policy artifacts queries Elastic Defend event data with Kibana's internal Elasticsearch account instead o...

Kibana 9.4.4 Security Update (ESA-2026-83)

Missing Authorization in Kibana Leading to Privilege Escalation and Information Disclosure Kibana Agent Builder does not correctly verify that the requesting user holds the privileges required by a separate Kibana feature before it creates and runs a tool that invokes that feature's functionality...

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 8.19.20, 9.4.5, 9.5.1 Security Update (ESA-2026-129)

Observable Discrepancy in Kibana Fleet Leading to Disclosure of Elastic Agent Elasticsearch API Keys Description: Observable Discrepancy CWE-203 in Kibana Fleet can lead to information disclosure via Excavation CAPEC-116. Fleet removes the Elasticsearch API key value of an enrolled Elastic Agent...

Kibana 8.19.20, 9.4.5, 9.5.1 Security Update (ESA-2026-127)

Incorrect Authorization in Kibana Fleet Leading to Privilege Escalation Description: Incorrect Authorization CWE-863 in Kibana Fleet can lead to privilege escalation via Privilege Abuse CAPEC-122. Fleet restricts some callers to managing integration policies for one specific integration. When an...

Kibana 8.19.20, 9.4.5, 9.5.1 Security Update (ESA-2026-126)

Authorization Bypass Through User-Controlled Key in Kibana Leading to Cross-Space Access to Machine Learning Trained Models Description: Authorization Bypass Through User-Controlled Key CWE-639 in Kibana can lead to unauthorized cross-space access via Accessing Functionality Not Properly...

Kibana 8.19.20 and 9.4.5 Security Update (ESA-2026-99)

Cross-Site Request Forgery in Kibana Leading to Privilege Escalation Cross-Site Request Forgery CWE-352 in Kibana can lead to privilege escalation via Cross Site Request Forgery CAPEC-62. A user who is permitted to create visualizations can save a specially crafted Vega visualization that, when i...

Kibana 8.19.20, and 9.4.5 Security Update (ESA-2026-96)

Missing Authorization in Kibana Leading to Unauthorized Execution of Host Response Actions Missing Authorization CWE-862 in Kibana can lead to unauthorized execution of Osquery and Elastic Defend response actions on managed hosts via Accessing Functionality Not Properly Constrained by ACLs CAPEC-...

Kibana 8.19.20, and 9.4.5 Security Update (ESA-2026-95)

Missing Authorization in Kibana Leading to Unauthorized Execution of Endpoint Response Actions Missing Authorization CWE-862 in Kibana can lead to unauthorized execution of Elastic Defend response actions on managed hosts via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. A...

Kibana 8.19.20, and 9.4.5 Security Update (ESA-2026-92)

Missing Authorization in Kibana Machine Learning Leading to Cross-Space Information Disclosure and Unauthorized Data Modification Description: Missing Authorization CWE-862 in Kibana can lead to cross-space information disclosure and unauthorized data modification via Privilege Abuse CAPEC-122...

Kibana 8.19.20 and 9.4.5 Security Update (ESA-2026-87)

Exposure of Sensitive Information to an Unauthorized Actor in Kibana Leading to Disclosure of Fleet Proxy Credentials A lower privileged user who holds only the privilege to read agent policies can read the entire configuration of a configured Fleet proxy. This would normally require the Fleet...

Kibana 8.19.20, 9.4.5 Security Update (ESA-2026-110)

Improperly Controlled Modification of Dynamically-Determined Object Attributes in Kibana Leading to Unauthorized Data Modification Improperly Controlled Modification of Dynamically-Determined Object Attributes CWE-915 in the case management functionality of Elastic Security in Kibana can lead to...

Kibana 8.19.20, 9.4.5 Security Update (ESA-2026-106)

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 denial of service via Excessive Allocation CAPEC-130. An authenticated user with read-only privileges to the alerting...

Kibana 8.19.20 and 9.4.5 Security Update (ESA-2026-105)

Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure Authorization Bypass Through User-Controlled Key CWE-639 in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. An authenticated user who is...

Kibana 8.19.20 and 9.4.5 Security Update (ESA-2026-104)

Inefficient Algorithmic Complexity in Kibana Leading to Denial of Service Description: Inefficient Algorithmic Complexity CWE-407 in Kibana can lead to denial of service via Input Data Manipulation CAPEC-153. A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization i...

Kibana 8.19.20, 9.4.5 Security Update (ESA-2026-100)

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 denial of service via Excessive Allocation CAPEC-130. A specially crafted, malformed payload submitted to a...

Kibana 8.19.20, and 9.4.4 Security Update (ESA-2026-90)

Incorrect Authorization in Kibana Leading to Unauthorized Deletion of Synthetics Private Locations Description: Incorrect Authorization CWE-863 in Kibana can lead to unauthorized deletion of Synthetics private locations via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1...

Kibana 8.19.20, 9.3.8, and 9.4.5 Security Update (ESA-2026-101)

Uncaught Exception in Kibana Leading to Denial of Service Description: Uncaught Exception CWE-248, resulting from Improper Input Validation CWE-20, in Kibana can lead to denial of service via Input Data Manipulation CAPEC-153. An authenticated user holding only low-privileged access can cause an...