CVE-2026-104428

The zebra-rpc component in the Zcash Foundation's Zebra node (versions before 11.0.0 ) is vulnerable to a Denial of Service (DoS) . The getblock RPC method panics when handling a side-chain block with verbosity 2 because a -1 confirmations sentinel is converted to u32 using .expect() , causing th...

CVE-2026-104428: Reachable Assertion

The getblock RPC method in zebra-rpc before 11.0.0, used by the Zcash Foundation's Zebra node, panics on verbosity 2 for a side-chain block because the block's -1 confirmations sentinel is converted to u32 with .expect, aborting the process. Remote unauthenticated attackers, directly or through...

PT-2026-104239

Name of the Vulnerable Software and Affected Versions zebra-rpc versions prior to 11.0.0 Description The getblock RPC method in the Zebra node panics when verbosity is set to 2 for a side-chain block. This occurs because the block's -1 confirmations sentinel is converted to a u32 type using the...