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@libp2p/kad-dht vulnerabilities

Vulnerabilities published for @libp2p/kad-dht in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. CVE-2026-45783

    High · CVSS 7.5EPSS 0.35%Fix available

    libp2p: Unvalidated PUT_VALUE records allow unbounded disk exhaustion on DHT server nodes

    libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 16.2.6, an unauthenticated remote peer can exhaust the disk storage of any @libp2p/kad-dht node running in server mode by sending an unbounded stream of PUT_VALUE messages whose keys bypass all content validation. No credentials, no prior relationship, and no protocol deviation beyond a crafted key are required. The victim node's datastore fills until the host disk is exhausted, making the node unavailable. This issue has been patched in version 16.2.6.

    @libp2p/kad-dhtNode.js
    • Update to 16.2.6
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗

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