Roundcube
CISA: Recently patched RoundCube flaws now exploited in attacks
CISA flagged two Roundcube Webmail vulnerabilities as actively exploited in attacks and ordered U.S. federal agencies to patch them within three weeks. Roundcube Webmail is a web-based email client that has been the default mail interface for the widely used cPanel web hosting control panel since 2008. The first vulnerability tagged as actively abused by […]
Hacker steals 1 million Cock.li user records in webmail data breach
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 incident exposed all users who had logged in to the mail service since 2016, estimated at 1,023,800 people, along with contact entries for an additional […]
Over 84,000 Roundcube instances vulnerable to actively exploited flaw
Over 84,000 Roundcube webmail installations are vulnerable to CVE-2025-49113, a critical remote code execution (RCE) flaw with a public exploit. The flaw, which impacts Roundcube versions 1.1.0 through 1.6.10, spanning over a decade, was patched on June 1, 2025, following its discovery and reporting by security researcher Kirill Firsov. The bug stems from unsanitized $_GET[‘_from’] input, […]
Hacker selling critical Roundcube webmail exploit as tech info disclosed
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 present in Roundcube for over a decade and impacts versions of Roundcube webmail 1.1.0 through 1.6.10. It received a patch on June 1st. It took attackers just a […]
Hackers exploit Roundcube webmail flaw to steal email, credentials
Threat actors have been exploiting a vulnerability in the Roundcube Webmail client to target government organizations in the Commonwealth of Independent States (CIS) region, the successor of the former Soviet Union. An attack was discovered by Russian cybersecurity company Positive Technologies in September, but the researchers determined that the threat actor activity had started in […]