A malware group has been busy creating a dangerous new vulnerability in the Roundcube webmail service, which is popular in European government circles. What makes this issue so important is that is a ...

ESET Research has been closely tracking the cyberespionage operations of Winter Vivern for more than a year and, during our routine monitoring, we found that the group began exploiting a zero-day XSS ...

Hackers are likely starting to exploit CVE-2025-49113, a critical vulnerability in the widely used Roundcube open-source webmail application that allows remote execution. The security issue has been ...

The threat associated with a critical decade-old remote code execution vulnerability in Roundcube webmail has increased sharply in recent days, with proof-of-concept (PoC) code for the bug becoming ...

New Cyberattack From Winter Vivern Exploits a Zero-Day Vulnerability in Roundcube Webmail Your email has been sent After reading the technical details about this zero-day that targeted governmental ...

According to ESET Research, Winter Vivern is a Russian hacking group that has been operating since 2020. The notorious cybercriminals reportedly target governments across Central Asia and Europe. The ...

Email hosting provider Cock.li has confirmed it suffered a data breach after threat actors exploited flaws in its now-retired Roundcube webmail platform to steal over a million user records. The ...