Command Injection Affecting github.com/fleetdm/fleet/pkg/file package, versions <4.81.1
Threat Intelligence
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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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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMFLEETDMFLEETPKGFILE-15873870
- published2 Apr 2026
- disclosed27 Mar 2026
- creditUnknown
Introduced: 27 Mar 2026
CVE-2026-34387 (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 via the software installer pipeline that generates uninstall shell scripts without sanitization. An attacker can execute arbitrary system commands with elevated privileges by crafting malicious software package metadata that is processed during uninstallation.