CVE-2026-29136

6.1 MEDIUM

Published: April 02, 2026 Modified: April 16, 2026

Description

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to inject HTML into notification emails about new CA certificates.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Patch Vendor Advisory Exploit Third Party Advisory

Source: vulnerability@ncsc.ch

Release Notes

1 reference(s) from NVD

CVSS v3 Score

6.1 / 10.0

EPSS (Exploit Probability)

0.0%

5th percentile

Exploitation Status

Not in CISA KEV

CWE-79

seppmail