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 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.
- Affected products
- Fleet
- Fleetdm Fleet
- < 4.81.1
- Fix
- Available
- CVSS 3.1
- 7.8 HIGH
- EPSS
- 0.1% (2th percentile)
- Weakness
- CWE-78
- NVD status
- Analyzed
- Published
- 2026-04-08
No indexed exploits for CVE-2026-27806 yet
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