Critical Zimbra Flaw Could Let Crafted Emails Run Malicious Code in User Sessions
Today’s signal The Hacker News recently reported Critical Zimbra Flaw Could Let Crafted Emails Run Malicious Code in User Sessions. Published context: July 11, 2026. Zimbra is urging customers to apply updates to address a critical security vulnerability impacting the Classic Web Client that could result in arbitrary code execution. The vulnerability has been described as a case of stored cross-site scripting (XSS) that could allow specially crafted emails to execute malicious scripts in a user’s session. It has yet to b ...