A now patched security vulnerability in Zimbra Collaboration was exploited as a zero-day earlier this year in cyber attacks targeting the Brazilian military. Tracked as CVE-2025-27915 (CVSS score: 5.4 ...

One of the powers of Zimbra is the ability to be extended with custom functionality. The Zimbra front-end can be extended with JavaScript Zimlets and the back-end can be extended with Java extensions.

Connecting to your work team's Zimbra calendars from Outlook provides several benefits, two of which involve time. First, it avoids the inconvenience of using an additional resource, i.e., a Web ...

A new Chinese cyber-espionage group has been seen abusing a zero-day vulnerability in the Zimbra collaboration suite to gain access to the email inboxes of European governments and media agencies. The ...

Hackers at Russia’s Foreign Intelligence Service (SVR) have been spying on US, European and global entities for years to collect intelligence and enable future cyber operations, according to US and UK ...

A critical remote code execution (RCE) vulnerability in Zimbra email servers is under active attack, and users are urged to patch immediately. Researchers were labeling the vulnerability in Zimbra’s ...

A critical vulnerability has been found in open source collaboration suite Zimbra which allows crooks to run remote code execution on vulnerable servers and deploy malware. The vulnerability is ...

Attackers are actively exploiting a critical vulnerability in mail servers sold by Zimbra in an attempt to remotely execute malicious commands that install a backdoor, researchers warn. The ...

"Patch yesterday" is the advice from infosec researchers as the latest critical vulnerability affecting Zimbra mail servers is now being mass-exploited. The remote code execution vulnerability ...

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