CVE-2026-24004: Fleet: Unauthenticated Android device disenrollment vulnerability via Pub/Sub endpoint
Summary
A vulnerability in Fleet’s Android MDM Pub/Sub handling could allow unauthenticated requests to trigger device unenrollment events. This may result in unauthorized removal of individual Android devices from Fleet management.
Impact
If Android MDM is enabled, an attacker could send a crafted request to the Android Pub/Sub endpoint to unenroll a targeted Android device from Fleet without authentication.
This issue does not grant access to Fleet, allow execution of commands, or provide visibility into device data. Impact is limited to disruption of Android device management for the affected device.
Workarounds
If an immediate upgrade is not possible, affected Fleet users should temporarily disable Android MDM.
For more information
If there any questions or comments about this advisory:
Email Fleet at security@fleetdm.com Join #fleet in osquery Slack
Credits
Fleet thanks @secfox-ai for responsibly reporting this issue.
Other sources
Fleet is open source device management software. In versions prior to 4.80.1, a vulnerability in Fleet’s Android MDM Pub/Sub handling could allow unauthenticated requests to trigger device unenrollment events. This may result in unauthorized removal of individual Android devices from Fleet management. If Android MDM is enabled, an attacker could send a crafted request to the Android Pub/Sub endpoint to unenroll a targeted Android device from Fleet without authentication. This issue does not grant access to Fleet, allow execution of commands, or provide visibility into device data. Impact is limited to disruption of Android device management for the affected device. Version 4.80.1 fixes the issue. If an immediate upgrade is not possible, affected Fleet users should temporarily disable Android MDM.
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-24004?
CVE-2026-24004 is considered a high-severity vulnerability due to its potential to allow unauthenticated device disenrollment.
How do I fix CVE-2026-24004?
To mitigate CVE-2026-24004, upgrade Fleet to version 4.80.1 or later to ensure the vulnerability is patched.
What impact does CVE-2026-24004 have on device management?
CVE-2026-24004 can lead to the unauthorized disenrollment of Android devices from Fleet, compromising device management.
In which versions of Fleet is CVE-2026-24004 present?
CVE-2026-24004 affects versions of Fleet prior to 4.80.1.
Who is affected by CVE-2026-24004?
Organizations using Fleet Android MDM versions below 4.80.1 are impacted by CVE-2026-24004.