Tag: zimbra collaboration suite
2 articles

Zimbra Vulnerability Exploited in Active Attacks
A critical vulnerability in the Zimbra Collaboration Suite is under active attack, putting over 12,100 exposed servers worldwide at risk, with most located in Europe and Asia. Attackers can exploit this flaw, tracked as CVE-2026-73570, to execute remote code without authentication, simply by sending specially crafted SMTP requests.

Russian Hackers Exploit Zero-Click Attack on Western Organizations
Russian hackers have launched a stealthy zero-click attack, dubbed "beehive," targeting Western organizations by exploiting a vulnerability in the Zimbra Collaboration Suite, allowing them to siphon off sensitive emails and data with just a viewed email. This alarming threat highlights the need for organizations to bolster their defenses against such sophisticated cyber threats.