CVE-2026-52733

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a natural or attacker-influenced chain fork can leave stale Sapling and Orchard note-commitment subtree roots in Zebra state. In zebra-state/src/service/nonfinalizedstate/chain.rs, Chain::poptip removed a reverted tip block but did n...

CVE-2026-52733: Incomplete Cleanup

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a natural or attacker-influenced chain fork can leave stale Sapling and Orchard note-commitment subtree roots in Zebra state. In zebra-state/src/service/nonfinalizedstate/chain.rs, Chain::poptip removed a reverted tip block but did n...

PT-2026-55343

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node participates in a network where chain forks occur mainnet, testnet, or any network with multiple miners. All default configurations are affected. The corruption persists across restarts because it is...