Security Advisory

CVE-2026-27806

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-08 17:40:24

Last updated 2026-04-09 14:24:14

Assigner GitHub_M

State PUBLISHED

Description

Fleet is open source device management software. Prior to 4.81.1, the Orbit agents FileVault disk encryption key rotation flow on collects a local users password via a GUI dialog and interpolates it directly into a Tcl/expect script executed via exec.Command("expect", "-c", script). Because the password is inserted into Tcl brace-quoted send {%s}, a password containing } terminates the literal and injects arbitrary Tcl commands. Since Orbit runs as root, this allows a local unprivileged user to escalate to root privileges. This vulnerability is fixed in 4.81.1.

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