Command Injection Affecting github.com/fleetdm/fleet/pkg/file package, versions <4.81.1
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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- published7 Jun 2026
- disclosed14 May 2026
- creditsecfox-ai
Introduced: 14 May 2026
CVE-2026-26191 Â (opens in a new tab)How to fix?
Upgrade github.com/fleetdm/fleet/pkg/file to version 4.81.1 or higher.
Overview
Affected versions of this package are vulnerable to Command Injection in the process that generates uninstall scripts from uploaded software packages, due to improper sanitization of metadata fields. An attacker can execute arbitrary commands with elevated privileges on managed endpoints by uploading a package containing malicious metadata values and convincing a user to run the uninstall script on it.