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CVE-2026-103265

4.3 · MEDIUM

Fleet versions before 4.89.0 fail to properly filter MDM command results by team authorization in the commands/results endpoint.

Published Oct 1, 2026fleetdmCWE-863EPSS 0.20%

Overview

CVE-2026-103265 is a medium-severity vulnerability affecting fleetdm fleet. It was published on October 1, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Fleet versions before 4.89.0 fail to properly filter MDM command results by team authorization in the commands/results endpoint. Team-scoped users can read MDM command results for hosts on other teams when a shared command UUID targets hosts across multiple teams, exposing host UUIDs, command payloads, and device responses.

Remediation

Check the references section for vendor advisories and patches from fleetdm. Update fleet to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
fleetdmfleet>= 0, < 4.89.0Affected

References

GitHubgithub.com/fleetdm/fleet/security/advisories/GHSA-97fg-h5wh-2399Refwww.vulncheck.com/advisories/fleet-before-4.89.0-information-disclosure-via-mdm-command-results

How CyberStrike helps

Frequently asked questions

What is CVE-2026-103265?

CVE-2026-103265 is a medium-severity vulnerability affecting fleetdm fleet. It was published on October 1, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-103265?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-103265?

Check the references section for vendor advisories and patches from fleetdm. Update fleet to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-103265?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-103265 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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