Patch Sonar

Zero-days under active attack, explained in plain English

Is Roundcube webmail safe right now?

Nothing new in 90 days

No Roundcube webmail flaws have been added to CISA's exploited list in the last 90 days (the most recent was Feb 20, 2026). Keep automatic updates on: that can change any day.

0exploited in the last 30 days
0in the last 90 days
0zero-days in 2026
11on CISA's list, all time

Earlier exploited flaws

By year

YearExploited flaws addedZero-days
2026 (so far)20
202510
202430
202340
202200

Questions

Is Roundcube webmail safe right now?

No Roundcube webmail flaws have been added to CISA's exploited list in the last 90 days (the most recent was Feb 20, 2026). Keep automatic updates on: that can change any day. Confirm with the vendor's own advisories and install updates as soon as they're available.

How many Roundcube webmail vulnerabilities have been exploited?

11 flaws are on CISA's list of vulnerabilities known to be exploited in real attacks.

Covers products matching roundcube. Sources: CISA's Known Exploited Vulnerabilities catalog and the vendors' own advisories. Updated every hour. General information only; confirm details with the vendor.