external authentication vulnerabilities and fixes
Recent CVEs affecting external authentication, with upgrade or downgrade steps. 1 tracked.
Also searched as: externalauthentication.
external authentication has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-09-02. Highest priority: CVE-2026-73476 (score 24/100).
- CVE-2026-73476 MEDIUM 5.4 UPGRADE Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalat
FAQ
How do I fix external authentication vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is external authentication being exploited right now?
None of the tracked external authentication CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which external authentication CVE should I patch first?
CVE-2026-73476 currently ranks highest (24/100): Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalat.