He replaced Brazilian goalie Tony Batista, who has recently parted company with Kheybar.
Haghighi has joined the Iranian top-flight team until the end of the season.
Haghighi started his playing career in Persepolis in 2006 and has also played in Russian team Rubin Kazan, Portuguese teams Sporting Covilhã, Marítimo and Penafiel and Swedish teams Eskilstuna and Sundsvall.
Haghighi was a member of the Havadar football team last season.