Transaction Validation Issue in Zcash Wallet by Zcash Foundation

CVE-2026-35679

What is CVE-2026-35679?

Earlier versions of Zcash's zcashd, specifically those before 6.12.0, experienced a transaction validation issue. This vulnerability allowed invalid transactions to be processed under certain circumstances, raising the alarming risk of user funds being drained from the Sprout pool. The problem stemmed from inadequate verification of Sprout proofs, compromising the integrity of transaction validation within the platform.

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