CVE-2026-49095 Improper Input Validation in Kibana Fleet Leading to Privilege Escalation

Improper Input Validation CWE-20 in the Kibana Fleet agent policy management feature can lead to privilege escalation. An authenticated user with Fleet management privileges can manipulate agent policy configuration by injecting values into a configuration override mechanism that is not adequatel...

Kibana Fleet 8.19.16, 9.3.5, and 9.4.2 Security Update (ESA-2026-38)

Improper Input Validation in Kibana Fleet Leading to Privilege Escalation Improper Input Validation CWE-20 in the Kibana Fleet agent policy management feature can lead to privilege escalation. An authenticated user with Fleet management privileges can manipulate agent policy configuration by...

Elastic Kibana 安全漏洞

Elastic Kibana is a data visualization dashboard software provided by the Elastic company. There is a security vulnerability in Elastic Kibana, which stems from improper input validation, potentially leading to privilege escalation. Users with Fleet management privileges and who are authenticated...

PT-2026-44537

Name of the Vulnerable Software and Affected Versions Kibana affected versions not specified Description Improper input validation in the Kibana Fleet agent policy management feature allows an authenticated user with Fleet management privileges to escalate privileges. By injecting values into a...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/pkg/mdm/mdmtest to...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/server/service to...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/server/fleet to...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/v4/server/mock to...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/v4/server/fleet to...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/v4/server/service t...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/server/mock to...

CVE-2026-24899

Fleet is open source device management software. Prior to version 4.82.0, a vulnerability in Fleet's Windows MDM enrollment flow allows authentication tokens from any Azure AD tenant to be accepted. Because Fleet validates JWT signatures using Microsoft's multi-tenant JWKS endpoint but does not...

CVE-2026-23998

Fleet is open source device management software. Prior to version 4.81.0, a vulnerability in Fleet’s Windows MDM management endpoint could allow requests to be processed without proper client certificate validation. In certain circumstances, this could allow an attacker to impersonate an enrolled...

CVE-2026-26191

Fleet is open source device management software. Prior to version 4.81.0, a vulnerability in Fleet's software installer pipeline could allow a crafted software package to execute arbitrary commands as root macOS/Linux or SYSTEM Windows on managed endpoints when an uninstall is triggered. When a...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation due to improper validation of JWT aud and iss claims in the Windows MDM authentication flow. An attacker can enroll unauthorized devices by presenting a valid Microsoft-signed Azure AD token from any tenant. This is...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation due to the reliance on client-supplied IP address headers such as X-Forwarded-For, X-Real-IP, and True-Client-IP. An attacker can circumvent per-IP rate limiting by supplying arbitrary values in these headers, causing...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection in the process that generates uninstall scripts from uploaded software packages, due to improper sanitization of metadata fields. An attacker can execute arbitrary commands with elevated privileges on managed endpoints...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection in the process that generates uninstall scripts from uploaded software packages, due to improper sanitization of metadata fields. An attacker can execute arbitrary commands with elevated privileges on managed endpoints...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation due to the reliance on client-supplied IP address headers such as X-Forwarded-For, X-Real-IP, and True-Client-IP. An attacker can circumvent per-IP rate limiting by supplying arbitrary values in these headers, causing...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation due to the reliance on client-supplied IP address headers such as X-Forwarded-For, X-Real-IP, and True-Client-IP. An attacker can circumvent per-IP rate limiting by supplying arbitrary values in these headers, causing...