CVE-2026-34065
HIGHnimiq-primitives: Node crash due to missing interlink validation in election macro block proposals
Title source: cnaDescription
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.
References (4)
Core 4
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-7c4j-2m43-2mgh
X_Refsource_Misc x_refsource_misc
https://github.com/nimiq/core-rs-albatross/pull/3662
X_Refsource_Misc x_refsource_misc
https://github.com/nimiq/core-rs-albatross/commit/e10eaebcd7774e5da6d0ff5e88ed13503474f0ff
X_Refsource_Misc x_refsource_misc
https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0
Scores
CVSS v3
7.5
EPSS
0.0037
EPSS Percentile
28.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-252
CWE-755
Status
published
Products (2)
crates.io/nimiq-primitives
0crates.io
nimiq/nimiq-primitives
< 1.3.0
Published
Apr 22, 2026
Tracked Since
Apr 23, 2026