Medium severity6.5NVD Advisory· Published Mar 27, 2026· Updated Apr 2, 2026
CVE-2026-34389
CVE-2026-34389
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/fleetdm/fleet/v4Go | < 4.81.0 | 4.81.0 |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/advisories/GHSA-4f9r-x588-pp2hghsaADVISORY
- github.com/fleetdm/fleet/security/advisories/GHSA-4f9r-x588-pp2hnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-34389ghsaADVISORY
News mentions
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