CVE-2026-81278

Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Post SMTP: from 4.0.0 through beta.1.

  • Published Aug 31, 2026
  • CVSS 5.4 medium
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-81278 at the National Vulnerability Database