What’s Vulnerable › Vulnerabilities

CVE-2026-46545: nimiq-primitives: Panic DoS in trie chunk processing via ROOT-keyed item

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-10 · updated 2026-07-23
• Weakness: CWE-248

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.

Affected products

• nimiq core-rs-albatross: before 1.5.0

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

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