EUVD-2026-21146

nimiq-blockchain is missing a wall-clock upper bound on block timestamps...

nimiq-blockchain is missing a wall-clock upper bound on block timestamps

Impact Block timestamp validation enforces that timestamp = parent.timestamp for non-skip blocks and timestamp == parent.timestamp + MINPRODUCERTIMEOUT for skip blocks, but there is no visible upper bound check against the wall clock. A malicious block-producing validator can set block timestamps...

PT-2026-31733

Name of the Vulnerable Software and Affected Versions nimiq-blockchain versions 1.3.0 and earlier Description nimiq-blockchain, used for persistent block storage in Nimiq's Rust implementation, has an issue where block timestamp validation lacks an upper bound check against the wall clock in...

core-rs-albatross 安全漏洞

core-rs-albatross is a Rust implementation of the Albatross protocol developed by Nimiq. Versions of core-rs-albatross 1.3.0 and earlier contained security vulnerabilities. These vulnerabilities stemmed from a lack of upper limit checks on block timestamps, allowing malicious validators to set...

Incorrect usage of an uninitialized earnings pool if lastRewardRound >= currentRound.

Lines of code Vulnerability details Impact If lastRewardRound = currentRound, the earningsPool for currentRound may not be initialized if reward has not yet been called for currentRound. So using it to update cumulative rewards or fees could be incorrect. This can lead to incorrect reward...