What’s Vulnerable › Vulnerabilities

CVE-2025-65318

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-16 · updated 2026-07-05
• Weakness: CWE-693

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.

Affected products

• Canarymail Canary Mail: through 5.1.40

References

• https://drive.google.com/file/d/14wrTzvcLPfFsWmy-SAtDwwZKKPssBsx5/view
• https://github.com/bbaboha/CVE-2025-65318-and-CVE-2025-65319
• https://github.com/nickvourd/RTI-Toolkit
• https://github.com/bbaboha/CVE-2025-65318-and-CVE-2025-65319

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