CVE-2025-65318

🚨 CRITICAL

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 pro...

Published
Dec 16, 2025
Last Modified
Dec 18, 2025
Views
5
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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.

CVSS Scores

CVSS 3.1 9.1
9.1
CRITICAL
CVSS 2.0 9.1

Additional Information

Source
cve@mitre.org
State
Undergoing analysis

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