PT-2026-29705 · Seppmail · Seppmail Secure Email Gateway

Andris Suter-Dörig + 2 · Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-29142

Positive Technologies (AI Summary)

CVSS v4.0

6.3

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N

Name of the Vulnerable Software and Affected Versions SEPPmail Secure Email Gateway versions prior to 15.0.3

Description SEPPmail Secure Email Gateway versions before 15.0.3 are susceptible to an issue that allows an attacker to forge a GINA-encrypted email.

Recommendations Update to version 15.0.3 or later.

Fix

Weakness Enumeration

CWE-325

Related Identifiers

CVE-2026-29142

Affected Products

Seppmail Secure Email Gateway

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-29142 · Security Note
• https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 · Vendor Advisory
• https://twitter.com/CVEnew/status/2039647693296074753 · Twitter Post