CVE-2026-46540 Nimiq light-blockchain: Light blockchain rebranch issue

Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.4.0, when LightBlockchain::rebranch adopts a fork chain whose tip is a macro block checkpoint or election, it only updates self.head but fails to update self.macrohea...

CVE-2026-46540

Nimiq light-blockchain (Rust, Albatross) had a bug in LightBlockchain::rebranch() before v1.4.0: when forking to a macro-block tip (checkpoint or election), it updated only head and did not refresh macro_head, election_head, current_validators, or store the election header. This mismatch with the...

MAL-2026-5352 Malicious code in blockchain-helper-0 (npm)

Note: This report is updated by a verification record Crypto/SSH/wallet stealer self-labeled "CRYPTO STEALER". postinstall scripts/postinstall.js auto-execs, src/index.js harvests /.ssh/idrsa + wallet keys/seeds + env and exfils to hardcoded Telegram bot...

Malicious code in blockchain-helper-0 (npm)

Note: This report is updated by a verification record Crypto/SSH/wallet stealer self-labeled "CRYPTO STEALER". postinstall scripts/postinstall.js auto-execs, src/index.js harvests /.ssh/idrsa + wallet keys/seeds + env and exfils to hardcoded Telegram bot...

CVE-2026-34066

nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. Prior to version 1.3.0, HistoryStore::puthistorictxns uses an assert! to enforce invariants about HistoricTransaction.blocknumber must be within the macro block being pushed and within the same epoch. During histo...

CVE-2026-42278

UltraDAG is a minimal DAG-BFT blockchain in Rust. Prior to commit fb6ef59, the UltraDAG StateEngine implementation of SmartTransferTx contains a critical logic flaw in its policy enforcement pipeline. When a transaction originates from a "Pocket" a derived sub-address documented in the protocol a...

CVE-2026-40092

nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and below, a malicious network peer can crash any Nimiq full node by publishing a crafted Kademlia DHT record. The maliciously crafted record would contain a TaggedSigned with a signature field...

CVE-2026-44697 Klever-Go MultiDataInterceptor: remote OOM via crafted compressed P2P payload

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, a remote, unauthenticated denial-of-service vulnerability in Batch.Decompress data/batch/batch.go allows any peer that participates in a topic served by MultiDataInterceptor to allocate multi-gigabyte heaps on...

CVE-2026-44697

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, a remote, unauthenticated denial-of-service vulnerability in Batch.Decompress data/batch/batch.go allows any peer that participates in a topic served by MultiDataInterceptor to allocate multi-gigabyte heaps on...

Klever Blockchain 安全漏洞

Klever Blockchain is a high-performance blockchain network implemented by Klever in open source. Versions of Klever Blockchain prior to 1.7.17 contained security vulnerabilities. These vulnerabilities stemmed from a remote unauthenticated denial-of-service issue in the Batch.Decompress function...

DeepFake Forensics AI: A Multi-Modal Detection and Blockchain-Anchored Evidence Management Platform

The proliferation of AI-generated synthetic media poses a critical threat to the integrity of digital evidence in legal and forensic contexts. Existing deepfake detection systems typically address a single modality and provide no mechanism for tamper-proof evidence preservation. We present DeepFa...

nimiq-block-production (>=0.1.0 <=0.2.0), nimiq-client (>=0.1.0 <=0.2.0) +6 more potentially affected by CVE-2026-46543 via nimiq-blockchain (>=0.1.0 <=0.2.0)

nimiq-blockchain CARGO version =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.2.0 Source cves: CVE-2026-46543 Source advisory: OSV:GHSA-VGHX-352F-93JM...

MAL-2026-4202 Malicious code in chain-key-validator (npm)

A coordinated supply-chain attack comprising 10 npm packages published by maintainer ddjidd5640 [email protected] within a 48-hour window 2026-05-19T03:55Z – 2026-05-21T04:31Z. All packages masquerade as legitimate Web3/DeFi developer security tools MCP servers while silently exfiltrating...

CVE-2026-40094

nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and prior, network-libp2p discovery accepts signed PeerContact updates from untrusted peers and stores them in a peer contact book, eventually leading to address book crash. A PeerContact can...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code that conceals an obfuscated payload designed to steal developer credentials during the package installation. The malicious versions are still available on the official package manager. Malware Behaviour The attac...

CVE-2026-40094

The CVE affects nimiq-blockchain (Rust). In versions up to 1.3.0, network-libp2p discovery accepts signed PeerContact updates from untrusted peers and stores them in a peer contact book; a PeerContact can have an empty addresses list. PeerContactBook::known_peers then builds the address book usin...

CVE-2026-40094 nimiq-blockchain: network-libp2p untrusted peer can crash address book via empty peer contact addresses

nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and prior, network-libp2p discovery accepts signed PeerContact updates from untrusted peers and stores them in a peer contact book, eventually leading to address book crash. A PeerContact can...

CVE-2026-40094

nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and prior, network-libp2p discovery accepts signed PeerContact updates from untrusted peers and stores them in a peer contact book, eventually leading to address book crash. A PeerContact can...

CVE-2026-40094 nimiq-blockchain: network-libp2p untrusted peer can crash address book via empty peer contact addresses

nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and prior, network-libp2p discovery accepts signed PeerContact updates from untrusted peers and stores them in a peer contact book, eventually leading to address book crash. A PeerContact can...

CVE-2026-40094 nimiq-blockchain: network-libp2p untrusted peer can crash address book via empty peer contact addresses

nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and prior, network-libp2p discovery accepts signed PeerContact updates from untrusted peers and stores them in a peer contact book, eventually leading to address book crash. A PeerContact can...