CVE-2025-65318

9.1 criticalEPSS 0.6%

Critical (9.1) in canarymail canary mail. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-693
Published: 2025-12-16
Modified: 2026-07-05
Record from: the NVD, synced 2026-10-19

Affected

canarymail:canary_mail

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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