CVE-2005-3006: The mail client in Opera before 8.50 opens attached files from the user's cache directory without warning t...

Security readout for executives and security teams

This is an old Opera Mail issue affecting Opera versions before 8.50. When a user opens an email attachment, Opera could open it from the browser cache without warning, enabling misleading filenames and possible script insertion. Business risk is mainly legacy endpoint exposure, not a modern server-side compromise. Exposure is likely limited to legacy systems still running Opera before 8.50 with Opera Mail used for email attachment handling. Modern environments are unlikely affected unless old software remains on unmanaged endpoints. Treat this as a legacy cleanup item unless asset inventory shows old Opera Mail installations. It is not KEV-listed, but vulnerable mail clients can still create user-driven compromise paths. Mitigation focus: Upgrade Opera installations to 8.50 or later where still present.; Retire unsupported Opera Mail use on managed endpoints.; Use a supported mail client for attachment handling..

Prepared

Jun 29, 2026, 17:44 UTC (UTC+00:00)

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