Roundcube Webmail SQL Injection Vulnerability Exploited in the Wild
Attackers are exploiting pre-authentication SQL injection CVE-2026-48842 in Roundcube Webmail before 1.6.16 and 1.7.1.
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CVE-2026-48842
- CVSS 3.1
- 8.1 high
- EPSS
- 2%p77
- Published
- ·
- Modified
Description · NVD
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.
- Weakness
- CWE-89
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
In the news
8 storiesHackers now exploit critical Roundcube flaw in code injection attacks
Attackers are exploiting patched Roundcube SQL injection CVE-2026-48842 to bypass login and steal database data.
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Roundcube Webmail Flaw Lets Attackers Trigger SQL Injection Without Authentication
Unauthenticated SQL injection CVE-2026-48842 in Roundcube Webmail is being actively exploited on unpatched servers.
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Roundcube SQL injection CVE-2026-48842 is now being exploited in the wild
Pre-authentication Roundcube SQL injection CVE-2026-48842 is now exploited against unpatched webmail servers.
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Roundcube Pre-Auth SQL Injection Flaw Actively Exploited in the Wild
Roundcube pre-auth SQL injection CVE-2026-48842 is being exploited, Canadian cyber authorities warned.
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Roundcube Webmail Vulnerability in Attackers’ Crosshairs
Attackers exploit unauthenticated SQL injection CVE-2026-48842 in Roundcube webmail's virtuser_query plugin; Canadian Cyber Centre confirms in-the-wild exploitation, 500,000+ servers exposed.
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Roundcube SQLi (CVE-2026-48842) Exploited
Pre-authentication Roundcube Webmail SQL injection CVE-2026-48842 is reportedly exploited months after patches.
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Roundcube security advisory (AV26-503) – Update 1
Canada's Cyber Centre says CVE-2026-48842 in Roundcube Webmail is exploited and urges patching.
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