1. Home
  2. CVE Database
  3. CVE-2025-65318
CRITICAL · 9.1

CVE-2025-65318

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...

Vulnerability 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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
CanarymailCanary Mail<= 5.1.40

Related Weaknesses (CWE)

CWE-693

References

FAQ

What is CVE-2025-65318?

CVE-2025-65318 is a vulnerability with a CVSS score of 9.1 (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...

How severe is CVE-2025-65318?

CVE-2025-65318 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-65318?

Check the references section above for vendor advisories and patch information. Affected products include: Canarymail Canary Mail.