Description

Oxford Nanopore MinKNOW before 24.06 relies on a client's source IP address for authentication.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.6",
  "pubDate": "2026-09-02T05:17:10.313Z",
  "pubdate": "2026-09-02T05:17:10.313Z",
  "executiveSummary": "Oxford Nanopore MinKNOW versions prior to 24.06 contain a critical authentication vulnerability arising from an insecure reliance on source IP address verification.\nThis vulnerability allows unauthorized actors to bypass established access control mechanisms by spoofing or manipulating network-layer identifiers.\nThe flaw impacts the integrity and confidentiality of the MinKNOW control interface, potentially allowing unauthenticated entities to interact with the device as if they were a trusted internal client.\nThe risk is significant for deployments accessible over local area networks, as it permits attackers with network proximity to bypass authentication without needing valid credentials.\nExploitation requires minimal technical sophistication, primarily involving the ability to originate traffic that appears to emanate from a trusted source IP.\nConsequently, an attacker can gain unauthorized control over sequencing data and device management operations, leading to potential data exfiltration or unauthorized reconfiguration of the sequencing environment.",
  "technicalDetails": "The root cause of this vulnerability lies in the implementation of the authentication framework within Oxford Nanopore MinKNOW prior to version 24.06. Instead of employing cryptographically secure session tokens, mutual TLS (mTLS), or robust challenge-response authentication protocols, the system relies on the client's source IP address to verify identity and authorize requests.\nThis design pattern, often referred to as 'IP-based authentication,' assumes that the network path between the client and the MinKNOW instance is secure and immutable. In practice, this architectural choice is inherently flawed as it conflates network location with identity.\nThe attack flow begins with the reconnaissance of the network environment to identify active MinKNOW instances. Once a target is identified, an attacker residing on the same network segment—or possessing the ability to route traffic to the MinKNOW host—can exploit the trust relationship by crafting packets with a source IP address that the application considers authorized.\nBecause the application fails to perform further verification, such as checking for secondary authentication factors or session-specific keys, it accepts the incoming requests as authenticated. The impact is a complete bypass of the intended access control policy, granting the attacker the same functional capabilities as a legitimate, authenticated user.\nThis vulnerability is particularly dangerous in environments where multiple users reside on the same broadcast domain or where network routing can be manipulated via ARP spoofing or similar techniques to intercept or inject traffic that satisfies the application's IP-check logic.\nPost-exploitation activities are limited only by the permissions granted to the 'trusted' IP address within the MinKNOW environment. Given that the system is designed for high-sensitivity genomic sequencing data, the unauthorized access provides an attacker with the ability to monitor real-time sequencing progress, access sensitive raw data files, or issue commands to the device, potentially disrupting critical experimental workflows.\nThe vulnerability persists across all configurations where IP-based trust is enabled and remains present in all versions prior to the 24.06 release. Remediation requires moving away from transport-layer identity trust toward application-level authentication protocols that verify user or service identity regardless of the originating network address."
}