A car and a van were set on fire in Newbury Road, Norton Canes, at around midnight.
Staffordshire Police are investigating it as a suspected arson attack and have appealed for anyone with information to contact them.
Cannock Police said on Twitter: "People living in an area of Norton Canes are being reassured that detectives are investigating a suspected arson last night. Officers were called to Newbury Road by colleagues at Staffordshire Fire and Rescue Service at around midnight after a car and a van were set on fire.
"Police remain at the scene this morning [Tuesday] and anyone with any information is asked to contact us. Enquiries – including the assessment of CCTV footage – are underway."
Anyone with information can call Staffordshire Police on 101, quoting incident number 6 of October 20.
Alternatively, contact Crimestoppers anonymously on 0800 555111 or at crimestoppers-uk.org