CVE-2026-46545

Description

Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.5.0, a remote, unauthenticated denial-of-service vulnerability in MerkleRadixTrie::put_chunk allows any state-sync peer to crash any node performing state synchronization (freshly joining nodes and recovering nodes). This issue has been patched in version 1.5.0.

CVSS Vector

References

• https://github.com/nimiq/core-rs-albatross/pull/3762
• https://github.com/nimiq/core-rs-albatross/releases/tag/v1.5.0
• https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-mw3q-r9wh-h2ff