CVE-2026-77191

An authenticated supplicant on an adjacent network may bypass intended network authorization policy and send unrestricted traffic during a brief window (milliseconds to seconds) between the completion of the authentication phase and the full enforcement of its assigned ACL.

  • Published Sep 14, 2026
  • CVSS 2.1 low
  • 0.2% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-77191 at the National Vulnerability Database