CVE-2025-65318

CRITICAL EPSS 37.7%
Published Dec 16, 20256mo ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Dec 16, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
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

Threat Intelligence

EPSS Exploit Probability
37.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-693

Affected Products 1

VendorProductVersionRange
canarymailcanary_mail* ≤5.1.40

References 5

  • canary.com http://canary.com
    Broken Link
  • canarymail.com http://canarymail.com
    Broken Link
  • drive.google.com https://drive.google.com/file/d/14wrTzvcLPfFsWmy-SAtDwwZKKPssBsx5/view
    Exploit
  • github.com https://github.com/bbaboha/CVE-2025-65318-and-CVE-2025-65319
    ExploitThird Party Advisory
  • github.com https://github.com/nickvourd/RTI-Toolkit
    Not Applicable

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.