Lankster played for the Jets from 2011-13 and was with the team in the preseason until he was cut on Sept. 1. He played in 15 games for New York each of the past two seasons.
The Jets' depth at cornerback has been challenged since preseason. Third-round pick Dexter McDougle was lost for the season in August after tearing his ACL, starter Dee Milliner has been out more than a month due to a high ankle sprain and likely starter Dmitri Patterson was released in late August after he reportedly went AWOL from the team.
The Jets play at the Green Bay Packers on Sunday in Week 2.
- Ben Estes