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NVD Vulnerability Details :
CVE-2026-46539
Deferred
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-10 Jun, 2026 | 00:16
Updated At-10 Jun, 2026 | 19:37

Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.4.0, a logic flaw in BlockInclusionProof::is_block_proven causes the function to return true without performing any cryptographic verification when get_interlink_hops yields an empty hop list. This occurs when the target block is at the election block position immediately preceding the election head's epoch. An attacker providing transaction inclusion proofs can forge a MacroBlock header for that epoch position and have it accepted as "proven" without any hash or signature verification. This issue has been patched in version 1.4.0.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.9MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-345Primarysecurity-advisories@github.com
CWE ID: CWE-345
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/nimiq/core-rs-albatross/pull/3705security-advisories@github.com
N/A
https://github.com/nimiq/core-rs-albatross/releases/tag/v1.4.0security-advisories@github.com
N/A
https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-799f-29jm-gr6csecurity-advisories@github.com
N/A
Hyperlink: https://github.com/nimiq/core-rs-albatross/pull/3705
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/nimiq/core-rs-albatross/releases/tag/v1.4.0
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-799f-29jm-gr6c
Source: security-advisories@github.com
Resource: N/A
Change History
0Changes found

Details not found