CVE-2026-39526: Wpstream

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Authorization Bypass Through User-Controlled Key vulnerability in wpstream WpStream wpstream allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WpStream: from n/a through < 4.11.2.

Affected products

  • Wpstream Wpstream: up to and including 4.11.2

Published 2026-04-08. Last modified 2026-07-24.