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CVE-2026-35468— nimiq/core-rs-albatross: Panic in history index request handlers when a full node runs without the history index

Quick assessment

Affected
nimiq core-rs-albatross
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

core-rs-albatross是Nimiq开源的一个Albatross协议的Rust实现。 core-rs-albatross 1.3.0之前版本存在安全漏洞，该漏洞源于未正确处理None返回值，可能导致触发恐慌。

CVSS 5.3 · Medium EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service
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I. Basic Information for CVE-2026-35468

Vulnerability Information
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Vulnerability Title
nimiq/core-rs-albatross: Panic in history index request handlers when a full node runs without the history index
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加检查的返回值
Source: CVE Program / CVE List V5
Vulnerability Title
core-rs-albatross 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
core-rs-albatross是Nimiq开源的一个Albatross协议的Rust实现。 core-rs-albatross 1.3.0之前版本存在安全漏洞，该漏洞源于未正确处理None返回值，可能导致触发恐慌。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nimiq core-rs-albatross < 1.3.0 -

II. Public POCs for CVE-2026-35468

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III. Intelligence Information for CVE-2026-35468

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Same Patch Batch · nimiq · 2026-04-03 · 3 CVEs total

CVE-2026-33184 7.5 HIGH nimiq/core-rs-albatross: Discovery handshake limit could underflow and later provoke a det
CVE-2026-34061 4.9 MEDIUM nimiq/core-rs-albatross: Macro block proposal interlink bug

IV. Related Vulnerabilities

Same product: core-rs-albatross
Same vendor: nimiq
Same weakness: CWE-252

V. Comments for CVE-2026-35468

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