Roundcube Webmail Under Attack: 523,000 Instances Exposed Online
523,000 Roundcube Webmail instances are currently exposed and under active attack according to a new eSecurity Planet report. Roundcube is widely deployed as a third-party or self-hosted email platform. The instances flagged are reachable from the open internet. Email content, contact lists, and at…
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Timeline · 1 report
- 2026-09-26 21:41 · r/deeplearning
Roundcube Webmail Under Attack: 523,000 Instances Exposed Online