CVE-2026-34065
nimiq-primitives contains primitives (e.g., block, account, transaction) to be used in Nimiq's Rust implementation. Prior to version 1.3.0, an untrusted p2p peer can cause a node to panic by announcing an election macro block whose `validators` set contains an invalid compressed BLS voting key. Hashing an election macro header hashes `validators` and reaches `Validators::voting_keys()`, which calls `validator.voting_key.uncompress().unwrap()` and panics on invalid bytes. The patch for this vulnerability is included as part of v1.3.0. No known workarounds are available.
Published:Apr 22, 2026
Last Modified:Apr 27, 2026
EPS:Apr 22, 2026
EPSS Score:0.00037
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Nimiq
Product
Nimiq-primitives
Nimiq
Nimiq-primitives
Vendor
Nimiq
Product
Nimiq Proof-of-stake
Nimiq
Nimiq Proof-of-stake
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
