CVE-2026-27806
highPriorität · verfolgen · 0EPSS 0.001 · 1. PerzentilDEEUUSEPSS · bewertet 2026-10-27
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.
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betroffene Produkte (5)
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Advisories (3)
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- WID-SEC-W-2026-1015Fleet: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2026-04-08csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Fleet ausnutzen, um seine Privilegien zu erhöhen.
- GHSA-rphv-h674-5hp2Fleet Affected by Local Privilege Escalation via Tcl Command Injection in Orbit2026-04-08ghsa · osvUS
## Summary 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. ## CWE - **CWE-78**: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') - **CWE-94**: Improper Control of Generation of Code ('Code Injection') ## Impact - Local privilege escalation to root: Any unprivileged local user on a managed endpoint can execute arbitrary commands as root ## Credit This vulnerability was discovered and reported by [bugbunny.ai](https://bugbunny.ai).
- GO-2026-5634Fleet Affected by Local Privilege Escalation via Tcl Command Injection in Orbit in github.com/fleetdm/fleet2026-06-25vendor · osvUS
Fleet Affected by Local Privilege Escalation via Tcl Command Injection in Orbit in github.com/fleetdm/fleet
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Referenzen (4)
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- https://github.com/fleetdm/fleet/releasesPatchcnnvd
- https://github.com/fleetdm/fleet/security/advisories/GHSA-rphv-h674-5hp2cnnvd
- https://github.com/fleetdm/fleet/security/advisories/GHSA-rphv-h674-5hp2enisa_euvd
- https://github.com/fleetdm/fleet/security/advisories/GHSA-rphv-h674-5hp2Vendor Advisorynvd
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