What is CVE-2026-25067?

CVE-2026-25067 is a medium-severity vulnerability in Smartertools Smartermail, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 5.3/10. Published 2026-01-29.

How severe is CVE-2026-25067?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Smartertools Smartermail

CVE-2026-25067

SmarterTools SmarterMail versions prior to build 9518 contain an unauthenticated path coercion vulnerability in the background-of-the-day preview endpoint. The application base64-decodes attacker-supplied input and uses it as a filesystem…

EPSS: 0.003 (20.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Smartertools Smartermail — versions 0

Weakness classification (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference

References

disclosure@vulncheck.com (release-notes, Release Notes, patch)
disclosure@vulncheck.com (VDB Entry, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-25067?: CVE-2026-25067 is a medium-severity vulnerability in Smartertools Smartermail, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 5.3/10. Published 2026-01-29.
How severe is CVE-2026-25067?: Medium severity. CVSS v3 base score is 5.3 out of 10.