Incorrect Authorization Affecting github.com/fleetdm/fleet/server/service package, versions <4.81.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published30 Mar 2026
- disclosed27 Mar 2026
- creditfuzzztf
Introduced: 27 Mar 2026
CVE-2026-34389 Â (opens in a new tab)How to fix?
Upgrade github.com/fleetdm/fleet/server/service to version 4.81.0 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization in the user invitation process. An attacker can gain unauthorized access with elevated privileges by using a valid invite token to create an account under any email address, thereby inheriting the role associated with the invitation.