CVE-2026-7864

N/A Unknown

Published: May 08, 2026 Modified: May 18, 2026

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.

AI Explanation

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security

Source: vulnerability@ncsc.ch

https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/

Source: vulnerability@ncsc.ch

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

N/A / 10.0

EPSS (Exploit Probability)

17.0%

97th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-497

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