cvedb.io
CVE-2026-22808
MEDIUM · CVSS 5.4
EPSS exploitation probability: 0%
Published 2026-01-21T22:15:49.233 · Last modified 2026-06-17T10:20:28.007

Summary

fleetdm/fleet is open source device management software. Prior to versions 4.78.2, 4.77.1, 4.76.2, 4.75.2, and 4.53.3, if Windows MDM is enabled, an unauthenticated attacker can exploit this XSS vulnerability to steal a Fleet administrator's authentication token (FLEET::auth_token) from localStorage. This could allow unauthorized access to Fleet, including administrative access, visibility into device data, and modification of configuration. Versions 4.78.2, 4.77.1, 4.76.2, 4.75.2, and 4.53.3 fix the issue. If an immediate upgrade is not possible, affected Fleet users should temporarily disable Windows MDM.

Affected products

fleetdm — fleet

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.