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Vulnerability Details CVE-2026-73476

Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation. This issue affects External Authentication versions: from 0.0.0 to 2.0.13.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 6.8%

CVSS Severity

CVSS v3 Score 5.4

References

https://www.drupal.org/sa-contrib-2026-098

Products affected by CVE-2026-73476

External Authentication Project » External Authentication » Version: Any

cpe:2.3:a:external_authentication_project:external_authentication:*
External Authentication Project » External Authentication » Version: 8.x-1.0

cpe:2.3:a:external_authentication_project:external_authentication:8.x-1.0
External Authentication Project » External Authentication » Version: 8.x-1.1

cpe:2.3:a:external_authentication_project:external_authentication:8.x-1.1
External Authentication Project » External Authentication » Version: 8.x-1.2

cpe:2.3:a:external_authentication_project:external_authentication:8.x-1.2
External Authentication Project » External Authentication » Version: 8.x-1.3

cpe:2.3:a:external_authentication_project:external_authentication:8.x-1.3
External Authentication Project » External Authentication » Version: 8.x-1.4

cpe:2.3:a:external_authentication_project:external_authentication:8.x-1.4

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-73476

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