CVE-2026-46369 | BDVDB-2026-364993 Detail

Description#

Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Through 1.5.0, the validity store uses a strict lower-bound comparison that expires a stored transaction too early relative to Transaction::is_valid_at, allowing a remote attacker to replay the same signed transaction during a blocks_per_batch minus one block window and cause the sender and recipient balances to be updated twice. This issue is fixed in version 1.5.1.

Impact#

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Exploit#

History#

1. Version 12026-08-26Record published in the CVE List.
2. Version 22026-08-27Most recent update recorded in the CVE List.