CVE-2026-29135

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to craft a password-tag that bypasses subject sanitization.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:seppmail:secure_email_gateway:*:*:*:*:*:*:*:*

History

16 Apr 2026, 19:03

Type	Values Removed	Values Added
References	~~() https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 -~~	() https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 - Vendor Advisory
First Time		Seppmail Seppmail secure Email Gateway
CPE		cpe:2.3:a:seppmail:secure_email_gateway::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

02 Apr 2026, 09:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-02 09:16

Updated : 2026-04-16 19:03

NVD link : CVE-2026-29135

Mitre link : CVE-2026-29135

CVE.ORG link : CVE-2026-29135

JSON object : View

Products Affected

seppmail

secure_email_gateway

CWE

CWE-20

Improper Input Validation

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