CVE-2026-7864mediumCWE-497

CVE-2026-7864: medium-severity vulnerability in SEPPmail AG Secure Email Gateway

Exposure of Sensitive Information to an Unauthorized Actor

Published · Updated

Follow this CVE+ Monitor Secure Email Gateway

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

18Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 16%
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.
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
Affected products
SEPPmail AG · Secure Email Gateway
Related CVEs — SEPPmail AG Secure Email Gateway

In the same product, most dangerous first.

CVE-2026-44127HIGHLocal File Inclusion (LFI) and Arbitrary File DeletionEPSS 14.8%CVE-2026-84830HIGHOS command injection in privileged configuration handlingEPSS 1.2%CVE-2026-44128CRITICALUnauthenticated Remote Code ExecutionEPSS 0.8%CVE-2026-44129HIGHServer-side template injectionEPSS 0.5%CVE-2026-44126CRITICALInsecure deserializationEPSS 0.5%CVE-2026-44125CRITICALMissing Authorization in GINAv2EPSS 0.4%