A group of voting security researchers, alarmed by recent disclosure of sensitive election system software by an ally of former President Trump, want California officials to conduct a statewide post-election review of ballots cast in the Sept. 14 recall targeting Gov. Gavin Newsom.

Their request, made just days before in-person voting begins in several counties, threatens to drag California into the tumultuous national debate over election security.

“While the software versions are not identical to those used in California, differences are relatively minor,” the group said in its letter Thursday to Secretary of State Shirley Weber. “The release materially elevates threats to the trustworthiness of the ongoing California recall election and to public trust in the election.”

The researchers who wrote to Weber acknowledged California’s strong record on election security. But they argued the public discussion of Dominion products by Mike Lindell, the chief executive of MyPillow and an informal adviser to Trump, was tantamount to a serious breach of election system security.

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