CVE-2026-46541 Nimiq network-libp2p: DHT query poisoning via first-record verification failure

Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.4.0, iIn handledhtget, the DhtResults accumulator is only initialized when the first DHT record passes verification. If the first record fails from a malicious DHT...

CVE-2026-46541

CVE-2026-46541 (Nimiq network-libp2p): Before 1.4.0, DHT handling in handle_dht_get() sometimes did not initialize the DhtResults accumulator if the first DHT record failed verification. This caused all subsequent valid records to be discarded with “DHT inconsistent state” errors, enabling potent...