CVE-2006-4490: Multiple directory traversal vulnerabilities in Cybozu Office before 6.6 Build 1.3 and Share 360 before 2.5...

Security readout for executives and security teams

This flaw could let a logged-in user of vulnerable Cybozu collaboration products read files the application should not expose. The business risk is unauthorized disclosure of server-side data, potentially including configuration or sensitive operational files, if legacy affected deployments still exist. Exposure is limited to organizations still running the affected legacy Cybozu Office or Share 360 versions, with the vulnerable CGI paths reachable to authenticated users. Internet-facing access increases urgency, but intranet-only systems may still expose sensitive files to low-privileged users. Treat as urgent if these legacy products are still deployed, especially where ordinary users can authenticate. The vulnerability enables file disclosure from the server, and the safe business path is rapid version verification, upgrade, and access restriction. Mitigation focus: Upgrade Cybozu Office to 6.6 Build 1.3 or later.; Upgrade Share 360 to 2.5 Build 0.3 or later.; Check Cybozu vendor guidance for any additional supported remediation..

Prepared

Jun 29, 2026, 10:45 UTC (UTC+00:00)

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