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.

• CWE-252
• CWE-755

• https://github.com/nimiq/core-rs-albatross/commit/e10eaebcd7774e5da6d0ff5e88ed13503474f0ffPatch
• https://github.com/nimiq/core-rs-albatross/pull/3662Issue Tracking, Patch
• https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0Release Notes
• https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-7c4j-2m43-2mghPatch, Vendor Advisory

Published

Apr 22, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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