Home/CVE/SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endp
CVE

CVE-2026-7864

SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endp

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 0.00096
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-497Exposure of Sensitive System Information to an Unauthorized Control Sphere
▣

Scoring & Timeline

Published to NVD08 May 2026 · 02:16 PM
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security
https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/
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