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.

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Wed, 31 Dec 2025 00:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:canarymail:canary_mail:*:*:*:*:*:windows:*:*

Wed, 17 Dec 2025 19:15:00 +0000

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'}


Wed, 17 Dec 2025 14:30:00 +0000

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

Tue, 16 Dec 2025 16:00:00 +0000

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

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-12-17T18:52:10.925Z

Reserved: 2025-11-18T00:00:00.000Z

Link: CVE-2025-65318

cve-icon Vulnrichment

Updated: 2025-12-17T18:48:31.320Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-16T16:15:59.673

Modified: 2025-12-31T00:38:32.100

Link: CVE-2025-65318

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-17T14:29:00Z

Weaknesses