CVE-2026-73570
Related Intelligence (3)
Zimbra Vulnerability Exploited in the Wild Prior to Public Disclosure
Under certain conditions, CVE-2026-73570 can be exploited via specially crafted emails without user interaction. The post Zimbra Vulnerability Exploited in the Wild Prior to Public Disclosure appeared first on SecurityWeek .
Attackers Exploit Zimbra Flaw to Deploy Web Shells and Harvest Authentication Secrets
Threat actors have weaponized a now-patched security flaw in Zimbra Collaboration Suite (ZCS) to deploy web shells and access mailbox data, according to findings from the Microsoft Security Research team. The attack exploits CVE-2026-73570 (CVSS score: 8.9), an unauthenticated operating system command injection flaw that can lead to remote code execution when Simple Network Management Protocol
When Business Email Compromise Starts Rewriting Reality
Business Email Compromise (BEC) operates on a familiar playbook. Threat actors breach a mailbox, silently monitor operations, map approval chains, and ultimately exploit that access to divert funds or exfiltrate sensitive assets. This dynamic is central to our analysis as we kick off a series around Rapid7's collaborative research with Zimbra; upcoming installments will explore technical details a