🛡️ CVE-2026-34065
🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-252 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-252
Public Exploit ✅ No
Source NVD
Published 2026-04-22
Updated 2026-06-02
Modified 2026-05-05

Affected Packages

Software From version Fixed in
nimiq-primitives — —
nimiq-proof-of-stake — 1.3.0

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