Path Traversal in Smartertools Smartermail

CVE-2026-7807

SmarterTools SmarterMail builds prior to 9560 contain a local file inclusion vulnerability in the /api/v1/report/summary/{type} API endpoint that allows authenticated users to read arbitrary .json files on the system. Attackers can exploit this vulnerability combined with weak encryption algorithms and hardcoded keys to decrypt and access stored passwords and 2FA secrets for all users.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.003 (21.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-7807?
CVE-2026-7807 is a high-severity vulnerability in Smartertools Smartermail, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-05-08.
How severe is CVE-2026-7807?
High severity. CVSS v3 base score is 8.1 out of 10.