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VULNERABILITIES

CVE-2026-44129 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

SEPPmail Secure Email Gateway before version 15.0.4 contains a server-side template injection vulnerability in the new GINA UI because an endpoint accepts attacker-controlled template, allowing remote attackers to execute arbitrary template expressions and potentially achieve remote code execution depending on the enabled template plugins.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security [email protected]Release NotesVendor
https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/ [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1336Improper Neutralization of Special Elements Used in a Template Engine[email protected]

Affected Products

ProductVersions
SEPPmail Secure Email Gateway
< 15.0.4 (semver)

CPE

  • cpe:2.3:a:seppmail:seppmail:*:*:*:*:*:*:*:*

Remediation

  • Upgrade: 15.0.4moderate effort

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-44129
NVD Published Date:
May 8, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-44129 Details - Not Deferred