PT-2026-29704 · Seppmail · Secure Email Gateway

Andris Suter-Dörig + 2 · Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-29141

Mitre

CVSS v4.0

7.7

High

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

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2026-29141

Affected Products

Secure Email Gateway

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-29141 · Security Note
• https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 · Note