CVE-2005-4368: roundcube webmail Alpha, with a default high verbose level ($rcmail_config['debug_level'] = 1), allows remo...

Security readout for executives and security teams

This is an old information-disclosure issue in Roundcube webmail Alpha. With verbose debugging enabled by default, an error message could reveal the server-side application path. That path alone is not system compromise, but it can help attackers map the environment for other attacks. Exposure appears limited to public or reachable Roundcube webmail Alpha deployments retaining the verbose default debug level. Modern, supported Roundcube installations are not identified as affected in the provided sources, and the bundle does not define CPEs or precise versions. Treat this as low urgency unless an obsolete Roundcube Alpha instance is still exposed. If found on an internet-facing webmail service, remediate promptly because path disclosure can support follow-on attacks against already weak legacy software. Mitigation focus: Identify whether any Roundcube webmail Alpha deployments remain in use.; Check Roundcube vendor guidance for historical fixes or supported upgrade paths.; Do not run verbose debug output on production webmail services..

Prepared

Jun 29, 2026, 15:49 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.