How severe is CVE-2026-7807?

CVE-2026-7807 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-7807 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-7807?

CVE-2026-7807 affects Smartertools Smartermail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-7807?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-7807 have an EU (EUVD) identifier?

Yes. CVE-2026-7807 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28826.

When was CVE-2026-7807 published?

CVE-2026-7807 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-7807

CVE-2026-7807 is a high-severity vulnerability in Smartertools Smartermail with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 8.7
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28826
Weakness: CWE-22
Affected product: Smartertools Smartermail
Published: 2026-05-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-7807?: CVE-2026-7807 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-7807 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-7807?: CVE-2026-7807 affects Smartertools Smartermail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-7807?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-7807 have an EU (EUVD) identifier?: Yes. CVE-2026-7807 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28826.
When was CVE-2026-7807 published?: CVE-2026-7807 was published on 2026-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:*

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