The pace bowler has secured 309 wickets in 71 five-day games with an impressive average.
The Australian chair of selectors the selector has stated that pace spearhead Cummins will play a "major part" in this winter's historic rivalry.
There were concerns that the veteran bowler might miss the series due to a persistent back stress problem that remained unresolved.
Initial reports from team management suggested no definitive call had been made regarding his involvement, with the extended contest scheduled to begin on November 21 in Perth.
He revealed that Cummins is "building up" and felt positive about his chances of participating.
"We're aware that the window is narrowing and multiple considerations around that, not only his injury, but further aspects," he commented.
"It's positive. We firmly believe that he'll participate in a significant role. With luck it's the first Test. Should that not happen, then we'll pick it up."
Past Concerns
The captain missed the ODI and T20 games against New Zealand and India last month after medical tests showed a lumbar bone stress.
Previous incidents include of recurring issues, with recurrences in several earlier campaigns forcing him out of three Australian summers in a limited period.
The bowler mentioned he would be bold in recovery efforts in his comeback strategy to make the squad for the series.
The selector indicated that there was no confirmation if he had started his bowling workouts as part of his rehabilitation but acknowledged it was "becoming urgent" for him to regain fitness for the opener.
Backup Options
In case of absence, ex-skipper Smith will lead the side.
The talented all-rounder was excluded lately from the ODI lineup for their ODI contests against the subcontinent side as a safety move because of soreness in his side.
He labeled it as a "small issue and mentioned that he's scheduled to appear in the Sheffield Shield, so will be "ideally positioned to resume bowling."
"Extensive planning has gone into creating the schedule for him to take part for the initial game as an batting and bowling option," the selector detailed.
"He was only going to play the initial matches anyway. His aggressive style the cricket bat in white-ball cricket, even if it just sets him back for a short period, we opted to take a cautious route."
Match Calendar
The Ashes: Australia v England
Spanning from late 2025 to early 2026
