CVE-2026-7864

Name: CVE-2026-7864
Creator: NVD / NIST
Published: 2026-05-08T14:16:47.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 17.02%

Last modified Jun 17, 2026

CVE-2026-7864 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endpoint in the new GINA UI, allowing remote attackers to obtain sensitive system information.. EPSS estimates a 17.02% chance of exploitation in the next 30 days.

Description

SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endpoint in the new GINA UI, allowing remote attackers to obtain sensitive system information.

Metrics

CVSS 4.0

6.9/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

17.02%

96.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-497

References

Timeline

Published: May 8, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-7864?

How severe is CVE-2026-7864?

CVE-2026-7864 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 17.02% probability of exploitation in the next 30 days.

How do I fix CVE-2026-7864?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-7864?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST