A vulnerability has been identified in the **GNOME Geary** package within its **`mailto` URI handling** component. This flaw occurs because the email client automatically processes a non-standard `attach` parameter in email links without prompting or alerting the user.
An attacker could exploit this by tricking a user into clicking a specially crafted link (for example, `mailto:[email protected]?attach=/path/to/sensitive_file`). When clicked, Geary will automatically open a new compose window with the specified local file already attached. Because there is no dialog box or visual warning indicating that the file was attached by the link rather than the user, the user might unknowingly send sensitive files or data to the attacker upon hitting send.
Metrics
Affected Vendors & Products
References
History
Fri, 26 Jun 2026 05:30:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Gnome
Gnome geary |
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| Vendors & Products |
Gnome
Gnome geary |
Fri, 26 Jun 2026 02:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 |
Fri, 26 Jun 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
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| Description | A vulnerability has been identified in the **GNOME Geary** package within its **`mailto` URI handling** component. This flaw occurs because the email client automatically processes a non-standard `attach` parameter in email links without prompting or alerting the user. An attacker could exploit this by tricking a user into clicking a specially crafted link (for example, `mailto:[email protected]?attach=/path/to/sensitive_file`). When clicked, Geary will automatically open a new compose window with the specified local file already attached. Because there is no dialog box or visual warning indicating that the file was attached by the link rather than the user, the user might unknowingly send sensitive files or data to the attacker upon hitting send. | |
| Title | geary: geary: Silent file attachment via ?attach= parameter | |
| References |
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| Metrics |
threat_severity
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cvssV3_1
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OpenCVE Enrichment
Updated: 2026-06-26T05:15:16Z