---
title: "CVE-2026-75907: Norwegian Cruise Line Door Access - Authentication Bypass"
description: "Norwegian Cruise Line door access control uses static 7-byte UID on NTAG212 NFC chips for identification, lacking challenge-response authentication, letting attackers clone credentials to gain unauthorized access, exploit requires physical access to credential."
url: https://panop.io/threat-heartbeat/CVE-2026-75907/
---

# CVE-2026-75907 Norwegian Cruise Line Door Access - Authentication Bypass

Norwegian Cruise Line door access control uses static 7-byte UID on NTAG212 NFC chips for identification, lacking challenge-response authentication, letting attackers clone credentials to gain unauthorized access, exploit requires physical access to credential.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.36% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-75907)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

24 September 2026

Updated

15 October 2026

Weakness

[CWE-287](https://cwe.mitre.org/data/definitions/287.html)

## Vendor fix

Implement challenge-response authentication or upgrade to NFC credentials with secure authentication mechanisms.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-75907](https://nvd.nist.gov/vuln/detail/CVE-2026-75907)
- [https://kb.cert.org/vuls/id/676317](https://kb.cert.org/vuls/id/676317)
- [https://www.kb.cert.org/vuls/id/676317](https://www.kb.cert.org/vuls/id/676317)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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