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...

EUVD-2026-30416

Fleet is open source device management software. Prior to version 4.80.1, a vulnerability in Fleet's IP extraction logic allows unauthenticated attackers to bypass API rate limiting by spoofing client IP headers. This may allow brute-force login attempts or other abuse against Fleet instances...

CVE-2026-46356 Fleet: IP spoofing allows bypassing API rate limiting

Fleet is open source device management software. Prior to version 4.80.1, a vulnerability in Fleet's IP extraction logic allows unauthenticated attackers to bypass API rate limiting by spoofing client IP headers. This may allow brute-force login attempts or other abuse against Fleet instances...

CVE-2026-46356

Fleet (open-source device management) before v4.80.1 is vulnerable: an IP extraction flaw lets unauthenticated attackers bypass per-IP rate limits by rotating headers like True-Client-IP, X-Real-IP, or X-Forwarded-For, enabling brute-force or credential stuffing on exposed instances. Root cause: ...

CVE-2026-46356 Fleet: IP spoofing allows bypassing API rate limiting

Fleet is open source device management software. Prior to version 4.80.1, a vulnerability in Fleet's IP extraction logic allows unauthenticated attackers to bypass API rate limiting by spoofing client IP headers. This may allow brute-force login attempts or other abuse against Fleet instances...

CVE-2026-46356 Fleet: IP spoofing allows bypassing API rate limiting

Fleet is open source device management software. Prior to version 4.80.1, a vulnerability in Fleet's IP extraction logic allows unauthenticated attackers to bypass API rate limiting by spoofing client IP headers. This may allow brute-force login attempts or other abuse against Fleet instances...

CVE-2026-26191

Fleet prior to version 4.81.0 is affected by a vulnerability in the software installer pipeline where metadata from uploaded packages (pkg, deb, rpm, exe, msi) is used to generate uninstall scripts without proper sanitization. A crafted package could cause arbitrary commands to run with root priv...

CVE-2026-26191 Fleet vulnerable to OS command injection in software packages

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...

EUVD-2026-30376

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...

CVE-2026-26191 Fleet vulnerable to OS command injection in software packages

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...

CVE-2026-26191 Fleet vulnerable to OS command injection in software packages

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...

EUVD-2026-30375

Fleet is open source device management software. Prior to version 4.81.0, Fleet contained a denial-of-service DoS issue in the gRPC Launcher PublishLogs endpoint. In affected versions, certain unexpected input values were not handled gracefully, which could cause the Fleet server process to...

CVE-2026-26062

CVE-2026-26062 affects Fleet before version 4.81.0, where the gRPC Launcher PublishLogs endpoint could terminate the Fleet server when handling certain inputs. An authenticated attacker with access to an enrolled Launcher node key could trigger an immediate DoS by sending a single gRPC request, i...

CVE-2026-26062 Fleet server may terminate unexpectedly when handling certain gRPC requests

Fleet is open source device management software. Prior to version 4.81.0, Fleet contained a denial-of-service DoS issue in the gRPC Launcher PublishLogs endpoint. In affected versions, certain unexpected input values were not handled gracefully, which could cause the Fleet server process to...

CVE-2026-26062 Fleet server may terminate unexpectedly when handling certain gRPC requests

Fleet is open source device management software. Prior to version 4.81.0, Fleet contained a denial-of-service DoS issue in the gRPC Launcher PublishLogs endpoint. In affected versions, certain unexpected input values were not handled gracefully, which could cause the Fleet server process to...

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...