CVE-2025-65318

CriticalCVSS 9.1/10Last modified Jul 5, 2026

Description

When using the attachment interaction functionality, Canary Mail 5.1.40 and below saves documents to a file system without a Mark-of-the-Web tag, which allows attackers to bypass the built-in file protection mechanisms of both Windows OS and third-party software.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 16, 2025
Last modified
Jul 5, 2026
NVD status
Modified

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CVE-2025-65318: Critical severity, CVSS 9.1 | Vulnix