What is CVE-2026-27806?

CVE-2026-27806 is a high-severity vulnerability in Fleetdm Fleet, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-04-08.

How severe is CVE-2026-27806?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Fleetdm Fleet

CVE-2026-27806

Fleet is open source device management software. Prior to 4.81.1, the Orbit agent's FileVault disk encryption key rotation flow on collects a local user's password via a GUI dialog and interpolates it directly into a Tcl/expect script exec…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (0.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fleetdm Fleet — versions < 4.81.1

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

https://github.com/fleetdm/fleet/security/advisories/GHSA-rphv-h674-5hp2 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-27806?: CVE-2026-27806 is a high-severity vulnerability in Fleetdm Fleet, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-04-08.
How severe is CVE-2026-27806?: High severity. CVSS v3 base score is 7.8 out of 10.