CVE-2026-48842
Pre-auth SQLi in Roundcube Webmail via virtuser_query plugin
Is CVE-2026-48842 being exploited?
Not confirmed. CVE-2026-48842 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.76% probability of exploitation in the next 30 days.
How severe is CVE-2026-48842?
CVE-2026-48842 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-48842?
Yes. A fix has been recorded for CVE-2026-48842. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48842 affect?
CVE-2026-48842 affects Roundcube Webmail 1.6.x < 1.6.16, Roundcube Webmail 1.7.x < 1.7.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48842?
Upgrade to 1.6.16 or 1.7.1+; apply patch now
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated SQL injection could read/modify DB data via webmail.
Immediate action required
- affected>= 1.6.0 and < 1.6.16
- affected>= 1.7.0 and < 1.7.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.