🛡️ CVE-2026-35468
🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-252 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE CWE-252
Public Exploit ✅ No
Source NVD
Published 2026-04-03
Updated 2026-06-02
Modified 2026-05-05

Affected Packages

Software From version Fixed in
nimiq-proof-of-stake — 1.2.2

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