The Australian skipper has claimed 309 wickets in 71 five-day games with an average of 22.10.
Australia's chief selector George Bailey has confirmed that skipper Cummins will have a crucial role in the forthcoming Ashes series.
Speculation had been growing that the veteran bowler might be unavailable due to a stress fracture in his back that had not yet healed.
Previous updates from the Australian camp suggested no definitive call had been made regarding whether he would play, with the five-Test series kicking off on 21 November in Perth.
He revealed that his recovery is on track and was "optimistic" about the prospects of participating.
"It's clear that the window is narrowing and there are permutations involved, aside from his injury, but other factors as well," the selector added.
"It's positive. We firmly believe that he will feature a significant role. Hopefully it's the first Test. Should that not happen, then we'll pick it up."
Past Concerns
He was sidelined the ODI and T20 games against both Asian and Trans-Tasman rivals last month after medical tests showed a lumbar bone stress.
He has a history of back injuries, with flare-ups in 2012-13, 2013-14 and 2015-16 forcing him out of multiple domestic campaigns in a limited period.
The bowler mentioned he would be proactive in his approach in his recovery plan to secure his spot for the Ashes.
He mentioned that it was unclear if the captain had resumed bowling as part of his comeback but admitted it was "becoming urgent" for him to recover fully for the initial match.
Backup Options
In case of absence, former captain Steve Smith will lead the side.
The talented all-rounder was recently pulled out from the ODI lineup for their ODI contests against the Asian giants as a precautionary measure because of discomfort in his torso.
He labeled it as a "small issue and mentioned that Green will play in the domestic first-class competition, so will be "well-prepared to be ready to bowl."
"We put so much time has gone into developing the strategy for him to take part for the opening match as an dual-role player," the selector detailed.
"Originally, he'd only feature in the starting games regardless. His aggressive style the cricket bat in white-ball cricket, should it hinder progress for a short period, we opted to adopt a safer strategy."
Fixture Details
The Historic Rivalry
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