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CVE-2026-34065

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/22/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-252CWE-755

References

https://github.com/nimiq/core-rs-albatross/commit/e10eaebcd7774e5da6d0ff5e88ed13503474f0ff(security-advisories@github.com)

https://github.com/nimiq/core-rs-albatross/pull/3662(security-advisories@github.com)

https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0(security-advisories@github.com)

https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-7c4j-2m43-2mgh(security-advisories@github.com)

IOC Correlations

No correlations recorded

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