Zcash 2.x allows an inexpensive approach to "fill all transactions of all blocks" and "prevent any real transaction from occurring" via a "Sapling Wood-Chipper" attack.
Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exceptions during deserialization of note plaintexts.
Zcash zcashd before 6.12.0 allows invalid transactions to be accepted under certain conditions, which potentially could have resulted in the draining of user funds from the Sprout pool.
CVSS 3.1LOW 3.5·Network·Low privileges·No interaction·EPSS 0.00224·Published 2026-04-05·Fixed in 6.12.0CWE-358