Canary Mail up to 5.1.40 Attachment Interaction protection mechanism

Summaryinfo

A vulnerability was found in Canary Mail up to 5.1.40. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component Attachment Interaction. The manipulation leads to protection mechanism. This vulnerability is referenced as CVE-2025-65318. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Canary Mail up to 5.1.40 and classified as problematic. This issue affects an unknown function of the component Attachment Interaction. The manipulation with an unknown input leads to a protection mechanism vulnerability. Using CWE to declare the problem leads to CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. Impacted is integrity. The summary by CVE is:

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.

The identification of this vulnerability is CVE-2025-65318 since 11/18/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/16/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Canary

Name

• Mail

Version

• 5.1.0
• 5.1.1
• 5.1.2
• 5.1.3
• 5.1.4
• 5.1.5
• 5.1.6
• 5.1.7
• 5.1.8
• 5.1.9
• 5.1.10
• 5.1.11
• 5.1.12
• 5.1.13
• 5.1.14
• 5.1.15
• 5.1.16
• 5.1.17
• 5.1.18
• 5.1.19
• 5.1.20
• 5.1.21
• 5.1.22
• 5.1.23
• 5.1.24
• 5.1.25
• 5.1.26
• 5.1.27
• 5.1.28
• 5.1.29
• 5.1.30
• 5.1.31
• 5.1.32
• 5.1.33
• 5.1.34
• 5.1.35
• 5.1.36
• 5.1.37
• 5.1.38
• 5.1.39
• 5.1.40

CPE 2.3info

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CPE 2.2info

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