CVE-2026-34389

MEDIUM

6.5

Description

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 could create an account under an arbitrary email address while inheriting the role granted by the invite, including global admin. Version 4.81.0 patches the issue.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/27/2026

Last Modified4/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

fleetdm:fleet

Weaknesses (CWE)

CWE-287

References

https://github.com/fleetdm/fleet/security/advisories/GHSA-4f9r-x588-pp2h(security-advisories@github.com)

IOC Correlations

No correlations recorded

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