CVE-2026-44129

HIGH EPSS 41.1%

Published May 8, 20261mo ago · Modified Jun 17, 20262w ago

8.3 CVSS 4.0

High

Published May 8, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

8.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

41.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-1336

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.