🛡️ ROUNDCUBE PRE-AUTH SQL INJECTION (CVE-2026-48842) — ACTIVE EXPLOITATION CONFIRMED
Published Friday, September 25, 2026 at 05:43 AM PT BLUF: Roundcube webmail contains a pre-authentication SQL injection vulnerability (CVE-2026-48842) currently exploited in the wild. Organizations running unpatched Roundcube instances face immediate risk of unauthorized database access, credential theft, and code injection. Patch immediately or restrict network access until patched. DETAILS Vulnerability: Pre-authentication SQL injection flaw in Roundcube webmail (CVE-2026-48842); no user login required to exploit Active exploitation: Confirmed in-the-wild exploitation by multiple security researchers and incident responders across multiple threat tracking sources Attack surface: Accessible to any actor with network connectivity to affected Roundcube instances Secondary payload capability: Attackers leveraging this flaw for code injection and post-exploitation toolkit deployment (observed in similar SQL injection campaigns) Patch status unclear: Available reporting does not specify patched version number; verify latest Roundcube release cycle IMPACT ...