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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/nimiq/core-rs-albatross/commit/e10eaebcd7774e5da6d0ff5e88ed13503474f0ff	Patch
https://github.com/nimiq/core-rs-albatross/pull/3662	Issue Tracking Patch
https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0	Release Notes
https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-7c4j-2m43-2mgh	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nimiq:nimiq_proof-of-stake:*:*:*:*:*:rust:*:*

History

No history.

Information

Published : 2026-04-22 20:16

Updated : 2026-06-17 10:38

NVD link : CVE-2026-34065

Mitre link : CVE-2026-34065

CVE.ORG link : CVE-2026-34065

JSON object : View

Products Affected

nimiq

nimiq_proof-of-stake

CWE

CWE-252

Unchecked Return Value

CWE-755

Improper Handling of Exceptional Conditions

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