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Vulnerabilities

Vulnerability · CVE-2026-75907

VU#676317: Norwegian Cruise Line door access controller contains an improper authentication vulnerability

Published Sep 24, 2026 · CERT/CC

Check if you run it

No confirmed exploitation is on record for CVE-2026-75907. EPSS is 0.36%. Act only if a listed version of CERT/CC is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.36%
Remediation
Not established
Affected products
CERT/CC

Overview Door access controllers used on Norwegian Cruise Line (NCL) ships contain an improper authentication vulnerability that permits a replayed unique identifer (UID) from a radio-frequency identification (RFID) device to grant unauthorized entry to areas secured by these controllers. Description Norwegian Cruise Line is a global cruise company that operates a modern fleet sailing to destinations worldwide. As described in CVE-2026-75907 , the affected card reader authenticates NFC credentials only by checking their

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-75907

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-75907. EPSS is 0.36%. Act only if a listed version of CERT/CC is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.36%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 24, 2026 · CERT/CC Vulnerability Notes

    Detected

    Overview Door access controllers used on Norwegian Cruise Line (NCL) ships contain an improper authentication vulnerability that permits a replayed unique identifer (UID) from a radio-frequency identification (RFID) device to grant unauthorized entry to areas secured by these controllers. Description Norwegian Cruise Line is a global cruise company that operates a modern fleet sailing to destinati

Sources

  • CERT/CC Vulnerability NotesGovernment advisoryCVE-2026-75907

    Overview Door access controllers used on Norwegian Cruise Line (NCL) ships contain an improper authentication vulnerability that permits a replayed unique identifer (UID) from a radio-frequency identification (RFID) device to grant unauthorized entry to areas secured by these con

    kb.cert.org
  • CVE.orgVulnerability recordCVE-2026-75907

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-75907

    30-day exploitation probability 0.4%

    first.org

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.