CVE-2025-65318

Published Dec 16, 2025 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:canarymail:canary_mail:*:*:*:*:*:windows:*:*
Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Canarymail
Canarymail canary Mail
Microsoft
Microsoft windows
Vendors & Products Canarymail
Canarymail canary Mail
Microsoft
Microsoft windows
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 5, 2026, 4:12 PM
Reserved
Nov 18, 2025, 12:00 AM
Status
Modified
Published
Dec 16, 2025, 4:15 PM
Modified
Jul 5, 2026, 5:17 PM