Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-46542— nimiq-keys: Denial of service in Ed25519 multisig delinearization via invalid curve points

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.

Nimiq是Nimiq开源的一个Albatross协议的Rust实现。 Nimiq 1.4.0之前版本存在安全漏洞，该漏洞源于Ed25519PublicKey::delinearize()中对曲线点解压缩调用.unwrap()，当公钥由无效曲线点构造时导致进程崩溃。

CVSS 4.3 · Medium EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
nimiq core-rs-albatross < 1.4.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-46542

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
nimiq-keys: Denial of service in Ed25519 multisig delinearization via invalid curve points
Source: CVE Program / CVE List V5
Vulnerability Description
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 denial-of-service vulnerability exists in the Ed25519 multisig delinearization code path. Ed25519PublicKey::delinearize() in keys/src/multisig/mod.rs called .unwrap() on curve point decompression, which panics when a public key is constructed from 32 bytes that do not represent a valid point on the Ed25519 curve. Ed25519PublicKey construction only validates byte length, not curve membership, so invalid keys can reach the delinearization path and crash the hosting process. This issue has been patched in version 1.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Nimiq 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nimiq是Nimiq开源的一个Albatross协议的Rust实现。 Nimiq 1.4.0之前版本存在安全漏洞，该漏洞源于Ed25519PublicKey::delinearize()中对曲线点解压缩调用.unwrap()，当公钥由无效曲线点构造时导致进程崩溃。
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 < 1.4.0 -

II. Public POCs for CVE-2026-46542

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-46542

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-46542 (1)

Vendor Advisories for CVE-2026-46542 (1)

Vendor Pages for CVE-2026-46542 (1)

Same Patch Batch · nimiq · 2026-06-09 · 7 CVEs total

CVE-2026-46545 7.5 HIGH nimiq-primitives: Panic DoS in trie chunk processing via ROOT-keyed item
CVE-2026-46541 7.5 HIGH Nimiq network-libp2p: DHT query poisoning via first-record verification failure
CVE-2026-46540 6.5 MEDIUM Nimiq light-blockchain: Light blockchain rebranch issue
CVE-2026-46539 5.9 MEDIUM nimiq-primitives: BlockInclusionProof interlink issue when hops are empty
CVE-2026-46543 5.3 MEDIUM nimiq-blockchain: Genesis batch set request
CVE-2026-44505 5.3 MEDIUM Nimiq network-libp2p: Untrusted peer can wedge DHT

IV. Related Vulnerabilities

Same product: core-rs-albatross
Same vendor: nimiq
Same weakness: CWE-617

V. Comments for CVE-2026-46542

No comments yet

Leave a comment