← Vulnerability feed

Vulnerability record · CVE-2026-103265 · published 1 October 2026

CVE-2026-103265: Fleetdm fleet incorrect authorization vulnerability

Fleetdm · Fleet

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.

5.3 CVSS 4.0 Medium EPSS 0.20% · top 90.3% CWE-863 · Incorrect authorization
5.3CVSS 4.0 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
8 Oct 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/fleetdm/fleet/security/advisories/GHSA-97fg-h5wh-2399 Vendor Advisory
https://www.vulncheck.com/advisories/fleet-before-4.89.0-information-disclosure-via-mdm-command-results Third Party Advisory

Track CVE-2026-103265 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-26276Fleetdm fleet authentication bypass by spoofing vulnerabilityFleet is an open source osquery manager. In Fleet before version 3.5.1, due to issues in Go's standard library XML parsing, a valid SAML response may…EPSS 2.2%9.3CVE-2026-103264Fleetdm fleet improper authentication vulnerabilityFleet versions before 4.87.0 contain an authentication bypass vulnerability in the device API that accepts hostnames and hardware serials as authenti…EPSS 0.31%9.3CVE-2026-23518Fleetdm fleet improper verification of cryptographic signature vulnerabilityFleet is open source device management software. In versions prior to 4.78.3, 4.77.1, 4.76.2, 4.75.2, and 4.53.3, a vulnerability in Fleet's Windows …EPSS 0.26%8.7CVE-2026-26062Fleetdm fleet improper input validation vulnerabilityFleet is open source device management software. Prior to version 4.81.0, Fleet contained a denial-of-service (DoS) issue in the gRPC Launcher `Publi…EPSS 0.54%8.7CVE-2026-26061Fleetdm fleet allocation without limits vulnerabilityFleet is open source device management software. Prior to 4.81.0, Fleet contained multiple unauthenticated HTTP endpoints that read request bodies wi…EPSS 0.48%8.2CVE-2026-24899Fleetdm fleet authentication bypass by spoofing vulnerabilityFleet is open source device management software. Prior to version 4.82.0, a vulnerability in Fleet's Windows MDM enrollment flow allows authenticatio…EPSS 0.38%8.2CVE-2026-23998Fleetdm fleet improper certificate validation vulnerabilityFleet is open source device management software. Prior to version 4.81.0, a vulnerability in Fleet’s Windows MDM management endpoint could allow requ…EPSS 0.21%8.1CVE-2022-24841Fleetdm fleet improper access control vulnerabilityfleetdm/fleet is an open source device management, built on osquery. All versions of fleet making use of the teams feature are affected by this autho…EPSS 0.85%

Source: NIST National Vulnerability Database (record CVE-2026-103265), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.