
🔐 CVE-2026-1554: XML Injection vulnerability in #Drupal CAS Server allows attackers to manipulate XML data handling (Blind XPath Injection), potentially leading to privilege escalation in affected authentication environments. 📉 Why it matters: When user-supplied XML isn’t properly sanitized, attackers can alter authentication responses or escalate access — a serious issue for SSO and enterprise login workflows. 🛠 How to fix: Update the CAS Server module to a secure version (≥2.0.3 or ≥2.1.2) as soon as patches are available, and enforce strict input validation for XML attributes. #WebSecurity #CVE #DrupalSecurity #Authentication #PrivilegeEscalation #CyberThreats #CyberSecurity
Post summary
CVE‑2026‑1554 is a blind XPath XML injection in Drupal CAS Server that can lead to privilege escalation. Patches are available in module versions ≥2.0.3 or ≥2.1.2, and users are urged to update immediately.

