High 7.5Published Apr 3, 2026

CVE-2026-35468nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm.

Updated under an hour ago (2026-10-19 10:00 UTC)

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Exploited in the last 30 days

nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, two peer-facing consensus request handlers assume that the history index is always available and call blockchain.history_store.history_index().unwrap() directly. That assumption is false by construction. HistoryStoreProxy::history_index() explicitly returns None for the valid HistoryStoreProxy::WithoutIndex state. when a full node is syncing or otherwise running without the history index, a remote peer can send RequestTransactionsProof or RequestTransactionReceiptsByAddress and trigger an Option::unwrap() panic on the request path. This issue has been patched in version 1.3.0.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-252
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jul 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

nimiq nimiq_proof-of-stake nimiq:nimiq_proof-of-stake	through 1.2.2	NVD

References

https://github.com/nimiq/core-rs-albatross/commit/0e5c90a6c75b722f3d6091769776a4040e694dbapatch
https://github.com/nimiq/core-rs-albatross/pull/3667patch
https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0release-notes
https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-xr78-2jhh-9wf9vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.