CVE-2026-7864 MEDIUM

CVE-2026-7864: Exposure of Sensitive Information to an Unauthorized Actor

Vendor Seppmail Ag
Product Secure Email Gateway
Weakness CWE-497
Published May 8, 2026
Last update May 18, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 8, 2026 CVE published
May 18, 2026 Record updated