CVE-2026-48842 | defend.network

What is CVE-2026-48842?

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.

CVSS8.1 NVD 3.1

SeverityHIGH

Exploitation In the wild

EPSS1% · P58

Triage statusActive Exploit

ActionPatch within 48 hours

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWECWE-89

NVD published2026-05-25

NVD last modified2026-09-25

Timeline

2026-05-25Published to the U.S. National Vulnerability Database (NVD)
2026-09-25First covered in a defend.network daily briefing
2026-09-25NVD record last updated

Affected product

See advisory

References

Referenced in our briefings & reports

Microsoft, WSO2, Adobe vulnerabilities under active exploitation; Roundcube actively abused (2026-09-25)

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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.

What is CVE-2026-48842?

Timeline

Affected product

References

Referenced in our briefings & reports

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