The pace bowler has taken 309 Test scalps in 71 appearances with an average of 22.10.
Australia's chief selector Bailey has declared that skipper Cummins will play a "major part" in this winter's England-Australia contest.
Speculation had been growing that the veteran bowler might sit out due to a ongoing back issue that remained unresolved.
Previous updates from the squad suggested no official announcement had been made regarding Cummins' participation, with the five-Test series kicking off on November 21 in Western Australia.
He revealed that his recovery is on track and felt positive about his chances of taking part.
"It's clear that the clock is ticking and various factors involved, aside from his injury, but other factors as well," Bailey remarked.
"The outlook is good. There's strong faith that he'll participate in a significant role. With luck it's the first Test. If not, then we'll pick it up."
Injury History
Cummins was ruled out the white-ball matches against India and New Zealand recently after scans revealed a stress reaction in his back.
He has a history of spinal problems, with setbacks in several earlier campaigns leading to absences from three Australian summers in four years.
Cummins stated he would be proactive in his approach in his recovery plan to ensure his availability for the contest.
The selector indicated that it was unclear if the captain had resumed bowling as part of his comeback but acknowledged it was "getting tight" for him to recover fully for the first Test.
Backup Options
Should Cummins not be fit, ex-skipper Smith will take over the captaincy.
Versatile player Green was withdrawn recently from the ODI lineup for their ODI contests against the Asian giants as a safety move because of an abdominal issue.
He labeled it as a "minor" injury and stated that Green will play in the state-level matches, so will be "in a good place to be ready to bowl."
"We put so much time has gone into creating the schedule for him to take part for the first Test as an dual-role player," Bailey explained.
"He was only going to play the initial matches regardless. His aggressive style the bat in limited-overs, even if it just sets him back for 24 more hours, we just made the decision to take a cautious route."
Series Schedule
The Historic Rivalry
21 November 2025 - 7 January 2026
