[UPDATE] [high] Roundcube Webmail: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in Roundcube Webmail to conduct SQL injection attacks, bypass security measures, manipulate data, disclose confidential information, gain elevated privileges, execute arbitrary code, or conduct cross-site scripting attacks.
CSIRTS triage
- What
- Multiple vulnerabilities can lead to SQL injection, security bypass, data manipulation, information disclosure, privilege escalation, and arbitrary code execution.
- Who is affected
- Attackers targeting Roundcube Webmail installations.
- Urgency
- High urgency due to the variety of critical vulnerabilities that can be exploited.
- Action
- Apply available patches to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1671
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-488420.76% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.
- Low exploitation riskCVE-2026-488430.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all scored CVEs.
- Low exploitation riskCVE-2026-488450.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
- Low exploitation riskCVE-2026-488460.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all scored CVEs.
- Low exploitation riskCVE-2026-488470.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all scored CVEs.
- Low exploitation riskCVE-2026-488480.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all scored CVEs.
- Low exploitation riskCVE-2026-488440.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all scored CVEs.
- Low exploitation riskCVE-2026-488490.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-48842 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-48843 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-48845 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-48846 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-48847 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-48848 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-48844 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-48849 | coverage & exploitation status | NVD · CVE.org |
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