Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
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-h2
FAQ
What is CVE-2026-46545?
CVE-2026-46545 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 Mer...
How severe is CVE-2026-46545?
CVE-2026-46545 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-46545?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.