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...

CVE-2026-24000

Fleet is open source device management software. Prior to version 4.80.1, Fleet trusted client-supplied IP address headers when determining the source IP for incoming requests. This allowed authenticated and unauthenticated clients to spoof their apparent IP address and bypass per-IP rate limitin...

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...

SUSE CVE-2026-26060

Fleet is open source device management software. Prior to 4.81.0, a vulnerability in Fleet's password management logic could allow previously issued password reset tokens to remain valid after a user changes their password. As a result, a stale password reset token could be reused to reset the...

SUSE CVE-2026-29180

Fleet is open source device management software. Prior to 4.81.1, a broken access control vulnerability in Fleet's host transfer API allows a team maintainer to transfer hosts from any team into their own team, bypassing team isolation boundaries. Once transferred, the attacker gains full control...

SUSE CVE-2026-34385

Fleet is open source device management software. Prior to 4.81.0, a second-order SQL injection vulnerability in Fleet's Apple MDM profile delivery pipeline could allow an attacker with a valid MDM enrollment certificate to exfiltrate or modify the contents of the Fleet database, including user...

SUSE CVE-2026-34388

Fleet is open source device management software. Prior to 4.81.0, a denial-of-service vulnerability in Fleet's gRPC Launcher endpoint allows an authenticated host to crash the entire Fleet server process by sending an unexpected log type value. The server terminates immediately, disrupting all...

EUVD-2026-16797

Fleet's user account creation via invite does not enforce invited email address...

EUVD-2026-16754

Fleet's Apple MDM profile delivery has second-order SQL Injection that can compromise the database...

CVE-2026-34391

Fleet is open source device management software. Prior to 4.81.1, a vulnerability in Fleet's Windows MDM command processing allows a malicious enrolled device to access MDM commands intended for other devices, potentially exposing sensitive configuration data such as WiFi credentials, VPN secrets...

CVE-2026-29180

Fleet is open source device management software. Prior to 4.81.1, a broken access control vulnerability in Fleet's host transfer API allows a team maintainer to transfer hosts from any team into their own team, bypassing team isolation boundaries. Once transferred, the attacker gains full control...

CVE-2026-26060

Fleet is open source device management software. Prior to 4.81.0, a vulnerability in Fleet’s password management logic could allow previously issued password reset tokens to remain valid after a user changes their password. As a result, a stale password reset token could be reused to reset the...

CVE-2026-34389

Fleet is open source device management software. Prior to 4.81.0, Fleet contained an issue in the user invitation flow where the email address provided during invite acceptance was not validated against the email address associated with the invite. An attacker who obtained a valid invite token...

CVE-2026-34388

Fleet is open source device management software. Prior to 4.81.0, a denial-of-service vulnerability in Fleet's gRPC Launcher endpoint allows an authenticated host to crash the entire Fleet server process by sending an unexpected log type value. The server terminates immediately, disrupting all...

CVE-2026-34389

CVE-2026-34389 affects Fleet open-source device management. Before 4.81.0, the user invitation flow did not validate the invitee’s email during invite acceptance against the email tied to the invite token. An attacker with a valid invite token could create an account under an arbitrary email whil...

CVE-2026-34388

CVE-2026-34388 affects Fleet open-source device management software. Before version 4.81.0, an unaudited denial-of-service condition exists in Fleet’s gRPC Launcher endpoint, where an authenticated host can crash the entire Fleet server process by sending an unexpected log type value. The crash t...

CVE-2026-34388 Fleet vulnerable to Denial of Service via unhandled gRPC log type in launcher endpoint

Fleet is open source device management software. Prior to 4.81.0, a denial-of-service vulnerability in Fleet's gRPC Launcher endpoint allows an authenticated host to crash the entire Fleet server process by sending an unexpected log type value. The server terminates immediately, disrupting all...

CVE-2026-34387

Fleet is open source device management software. Prior to 4.81.1, a command injection vulnerability in Fleet's software installer pipeline allows an attacker to achieve arbitrary code execution as root macOS/Linux or SYSTEM Windows on managed hosts when an uninstall is triggered for a crafted...

EUVD-2026-16758

Fleet is open source device management software. Prior to 4.81.1, a command injection vulnerability in Fleet's software installer pipeline allows an attacker to achieve arbitrary code execution as root macOS/Linux or SYSTEM Windows on managed hosts when an uninstall is triggered for a crafted...

CVE-2026-34386

Fleet is open source device management software. Prior to 4.81.0, a SQL injection vulnerability in Fleet's MDM bootstrap package configuration allows an authenticated user with Team Admin or Global Admin privileges to modify arbitrary team configurations, exfiltrate sensitive data from the Fleet...