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...

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-2026-24899 Fleet Windows MDM Azure AD JWT Authentication Bypass

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...

EUVD-2026-30374

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-2026-24899 Fleet Windows MDM Azure AD JWT Authentication Bypass

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-2026-24899

CVE-2026-24899 affects Fleet Windows MDM enrollment. Before 4.82.0, Fleet validates JWTs with Microsoft’s multi-tenant JWKS but does not enforce aud or iss, allowing any Microsoft-signed Azure AD access token with the expected scopes to authenticate to Fleet’s MDM endpoints. If Windows MDM is ena...

CVE-2026-24899 Fleet Windows MDM Azure AD JWT Authentication Bypass

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...

Fleet Windows MDM Azure AD JWT Authentication Bypass

Summary 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 enforce the aud audience or iss issuer claims, any Microsoft-signed...

GHSA-FFG9-J72F-J6XM Fleet Windows MDM Azure AD JWT Authentication Bypass

Summary 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 enforce the aud audience or iss issuer claims, any Microsoft-signed...

Fleet 安全漏洞

Fleet is an open-source device management platform developed by Fleet Device Management. It supports various operating systems and devices, and helps IT and security teams with device management, vulnerability reporting, and MDM operations. Versions of Fleet prior to 4.82.0 contained security...

PT-2026-40969

Name of the Vulnerable Software and Affected Versions Fleet versions prior to 4.82.0 Description A flaw in the Windows MDM enrollment flow allows authentication tokens from any Azure AD tenant to be accepted. The software validates JWT JSON Web Token signatures using Microsoft's multi-tenant JWKS...

CVE-2026-42602

azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any...

CVE-2026-42830

Untrusted search path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally...

CVE-2026-42823

Improper access control in Azure Logic Apps allows an authorized attacker to elevate privileges over a network...

CVE-2026-40379

Exposure of sensitive information to an unauthorized actor in Azure Entra ID allows an unauthorized attacker to perform spoofing over a network...

CVE-2026-40381

Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally...

CVE-2026-32204

External control of file name or path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally...

CVE-2026-33117

The Java Key Vault Keys library in the Azure SDK for Java contains an issue in the local cryptographic verification path where authentication tag comparison was implemented incorrectly. In affected applications that use the vulnerable local cryptography path, specially crafted encrypted input may...

CVE-2026-33833

Improper neutralization of special elements in output used by a downstream component 'injection' in Azure Machine Learning allows an unauthorized attacker to perform spoofing over a network...

CVE-2026-42602

azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any...